Home / 861,697.74-1,291,648.10-482,061.86

Finding the Fourth Proportional to 861,697.74, 1,291,648.10 and 482,061.86

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Solution

The fourth proportional to 861,697.74, 1,291,648.10 and 482,061.86 is: 722,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,697.74 : 1,291,648.10 = 482,061.86 : x
  2. Step 2: Convert to fraction form
    861,697.74/1,291,648.10 = 482,061.86/x
  3. Step 3: Cross multiply
    861,697.74x = 1,291,648.10 × 482,061.86
  4. Step 4: Simplify right side
    861,697.74x = 622,654,285,551.47
  5. Step 5: Solve for x
    x = 622,654,285,551.47/861,697.74
  6. Step 6: Final answer
    x = 722,590.13

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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.