Finding the Fourth Proportional to 719,024.94, 992,275.19 and 396,755.80
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Solution
The fourth proportional to 719,024.94, 992,275.19 and 396,755.80 is: 547,534.46
Step by Step Solution
- Step 1: Write the proportion equation
719,024.94 : 992,275.19 = 396,755.80 : x - Step 2: Convert to fraction form
719,024.94/992,275.19 = 396,755.80/x - Step 3: Cross multiply
719,024.94x = 992,275.19 × 396,755.80 - Step 4: Simplify right side
719,024.94x = 393,690,933,851.97 - Step 5: Solve for x
x = 393,690,933,851.97/719,024.94 - Step 6: Final answer
x = 547,534.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.