Home / 728,086.20-1,092,129.30-373,792.20

Finding the Fourth Proportional to 728,086.20, 1,092,129.30 and 373,792.20

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Solution

The fourth proportional to 728,086.20, 1,092,129.30 and 373,792.20 is: 560,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,086.20 : 1,092,129.30 = 373,792.20 : x
  2. Step 2: Convert to fraction form
    728,086.20/1,092,129.30 = 373,792.20/x
  3. Step 3: Cross multiply
    728,086.20x = 1,092,129.30 × 373,792.20
  4. Step 4: Simplify right side
    728,086.20x = 408,229,413,731.46
  5. Step 5: Solve for x
    x = 408,229,413,731.46/728,086.20
  6. Step 6: Final answer
    x = 560,688.30

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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.