Home / 728,321.04-1,092,481.56-229,723.92

Finding the Fourth Proportional to 728,321.04, 1,092,481.56 and 229,723.92

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Solution

The fourth proportional to 728,321.04, 1,092,481.56 and 229,723.92 is: 344,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,321.04 : 1,092,481.56 = 229,723.92 : x
  2. Step 2: Convert to fraction form
    728,321.04/1,092,481.56 = 229,723.92/x
  3. Step 3: Cross multiply
    728,321.04x = 1,092,481.56 × 229,723.92
  4. Step 4: Simplify right side
    728,321.04x = 250,969,146,490.92
  5. Step 5: Solve for x
    x = 250,969,146,490.92/728,321.04
  6. Step 6: Final answer
    x = 344,585.88

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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.