Finding the Fourth Proportional to 542,414.52, 813,757.28 and 382,802.09
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Solution
The fourth proportional to 542,414.52, 813,757.28 and 382,802.09 is: 574,298.75
Step by Step Solution
- Step 1: Write the proportion equation
542,414.52 : 813,757.28 = 382,802.09 : x - Step 2: Convert to fraction form
542,414.52/813,757.28 = 382,802.09/x - Step 3: Cross multiply
542,414.52x = 813,757.28 × 382,802.09 - Step 4: Simplify right side
542,414.52x = 311,507,981,553.92 - Step 5: Solve for x
x = 311,507,981,553.92/542,414.52 - Step 6: Final answer
x = 574,298.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.