The Golden Gate Bridge, which connects San Francisco to Marin County, is one of the most famous suspension bridges in the U. S. The main span of the Golden Gate Bridge is 4200 feet and the towers rise 500 feet above the road. The cable between the towers is approximately a parabola and the cable just touches the edge of the road midway between the towers. What is the height of the cable above the road 800 feet from a tower? Round to nearest foot.