Finding the Fourth Proportional to 514,458.68, 709,957.92 and 285,020.84
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Solution
The fourth proportional to 514,458.68, 709,957.92 and 285,020.84 is: 393,331.50
Step by Step Solution
- Step 1: Write the proportion equation
514,458.68 : 709,957.92 = 285,020.84 : x - Step 2: Convert to fraction form
514,458.68/709,957.92 = 285,020.84/x - Step 3: Cross multiply
514,458.68x = 709,957.92 × 285,020.84 - Step 4: Simplify right side
514,458.68x = 202,352,802,723.05 - Step 5: Solve for x
x = 202,352,802,723.05/514,458.68 - Step 6: Final answer
x = 393,331.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.