Home / 725,623.76-1,088,155.58-239,189.11

Finding the Fourth Proportional to 725,623.76, 1,088,155.58 and 239,189.11

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Solution

The fourth proportional to 725,623.76, 1,088,155.58 and 239,189.11 is: 358,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,623.76 : 1,088,155.58 = 239,189.11 : x
  2. Step 2: Convert to fraction form
    725,623.76/1,088,155.58 = 239,189.11/x
  3. Step 3: Cross multiply
    725,623.76x = 1,088,155.58 × 239,189.11
  4. Step 4: Simplify right side
    725,623.76x = 260,274,960,805.40
  5. Step 5: Solve for x
    x = 260,274,960,805.40/725,623.76
  6. Step 6: Final answer
    x = 358,691.34

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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.