Finding the Fourth Proportional to 707,812.79, 1,060,669.39 and 519,905.75
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Solution
The fourth proportional to 707,812.79, 1,060,669.39 and 519,905.75 is: 779,087.52
Step by Step Solution
- Step 1: Write the proportion equation
707,812.79 : 1,060,669.39 = 519,905.75 : x - Step 2: Convert to fraction form
707,812.79/1,060,669.39 = 519,905.75/x - Step 3: Cross multiply
707,812.79x = 1,060,669.39 × 519,905.75 - Step 4: Simplify right side
707,812.79x = 551,448,114,709.99 - Step 5: Solve for x
x = 551,448,114,709.99/707,812.79 - Step 6: Final answer
x = 779,087.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.