Home / 861,695.73-1,291,645.10-482,059.87

Finding the Fourth Proportional to 861,695.73, 1,291,645.10 and 482,059.87

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Solution

The fourth proportional to 861,695.73, 1,291,645.10 and 482,059.87 is: 722,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,695.73 : 1,291,645.10 = 482,059.87 : x
  2. Step 2: Convert to fraction form
    861,695.73/1,291,645.10 = 482,059.87/x
  3. Step 3: Cross multiply
    861,695.73x = 1,291,645.10 × 482,059.87
  4. Step 4: Simplify right side
    861,695.73x = 622,650,266,968.17
  5. Step 5: Solve for x
    x = 622,650,266,968.17/861,695.73
  6. Step 6: Final answer
    x = 722,587.16

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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.