Home / 574,472.20-861,708.30-325,640.20

Finding the Fourth Proportional to 574,472.20, 861,708.30 and 325,640.20

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Solution

The fourth proportional to 574,472.20, 861,708.30 and 325,640.20 is: 488,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,472.20 : 861,708.30 = 325,640.20 : x
  2. Step 2: Convert to fraction form
    574,472.20/861,708.30 = 325,640.20/x
  3. Step 3: Cross multiply
    574,472.20x = 861,708.30 × 325,640.20
  4. Step 4: Simplify right side
    574,472.20x = 280,606,863,153.66
  5. Step 5: Solve for x
    x = 280,606,863,153.66/574,472.20
  6. Step 6: Final answer
    x = 488,460.30

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Similar ratio
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1.5x scale

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.