Home / 739,272.80-1,108,909.20-178,307.30

Finding the Fourth Proportional to 739,272.80, 1,108,909.20 and 178,307.30

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Solution

The fourth proportional to 739,272.80, 1,108,909.20 and 178,307.30 is: 267,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,272.80 : 1,108,909.20 = 178,307.30 : x
  2. Step 2: Convert to fraction form
    739,272.80/1,108,909.20 = 178,307.30/x
  3. Step 3: Cross multiply
    739,272.80x = 1,108,909.20 × 178,307.30
  4. Step 4: Simplify right side
    739,272.80x = 197,726,605,397.16
  5. Step 5: Solve for x
    x = 197,726,605,397.16/739,272.80
  6. Step 6: Final answer
    x = 267,460.95

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Double scale
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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.