Finding the Fourth Proportional to 571,472.76, 857,034.14 and 395,113.08
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Solution
The fourth proportional to 571,472.76, 857,034.14 and 395,113.08 is: 592,548.63
Step by Step Solution
- Step 1: Write the proportion equation
571,472.76 : 857,034.14 = 395,113.08 : x - Step 2: Convert to fraction form
571,472.76/857,034.14 = 395,113.08/x - Step 3: Cross multiply
571,472.76x = 857,034.14 × 395,113.08 - Step 4: Simplify right side
571,472.76x = 338,625,398,720.55 - Step 5: Solve for x
x = 338,625,398,720.55/571,472.76 - Step 6: Final answer
x = 592,548.63
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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.