Home / 861,704.93-1,291,753.52-292,696.74

Finding the Fourth Proportional to 861,704.93, 1,291,753.52 and 292,696.74

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Solution

The fourth proportional to 861,704.93, 1,291,753.52 and 292,696.74 is: 438,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,704.93 : 1,291,753.52 = 292,696.74 : x
  2. Step 2: Convert to fraction form
    861,704.93/1,291,753.52 = 292,696.74/x
  3. Step 3: Cross multiply
    861,704.93x = 1,291,753.52 × 292,696.74
  4. Step 4: Simplify right side
    861,704.93x = 378,092,036,265.27
  5. Step 5: Solve for x
    x = 378,092,036,265.27/861,704.93
  6. Step 6: Final answer
    x = 438,772.05

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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.