Finding the Fourth Proportional to 577,324.92, 861,759.74 and 509,149.56
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Solution
The fourth proportional to 577,324.92, 861,759.74 and 509,149.56 is: 759,995.94
Step by Step Solution
- Step 1: Write the proportion equation
577,324.92 : 861,759.74 = 509,149.56 : x - Step 2: Convert to fraction form
577,324.92/861,759.74 = 509,149.56/x - Step 3: Cross multiply
577,324.92x = 861,759.74 × 509,149.56 - Step 4: Simplify right side
577,324.92x = 438,764,592,446.71 - Step 5: Solve for x
x = 438,764,592,446.71/577,324.92 - Step 6: Final answer
x = 759,995.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.