Home / 739,221.60-1,108,832.40-707,728.80

Finding the Fourth Proportional to 739,221.60, 1,108,832.40 and 707,728.80

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Solution

The fourth proportional to 739,221.60, 1,108,832.40 and 707,728.80 is: 1,061,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,221.60 : 1,108,832.40 = 707,728.80 : x
  2. Step 2: Convert to fraction form
    739,221.60/1,108,832.40 = 707,728.80/x
  3. Step 3: Cross multiply
    739,221.60x = 1,108,832.40 × 707,728.80
  4. Step 4: Simplify right side
    739,221.60x = 784,752,623,853.12
  5. Step 5: Solve for x
    x = 784,752,623,853.12/739,221.60
  6. Step 6: Final answer
    x = 1,061,593.20

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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.