Home / 749,141.76-1,123,478.88-250,389.12

Finding the Fourth Proportional to 749,141.76, 1,123,478.88 and 250,389.12

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Solution

The fourth proportional to 749,141.76, 1,123,478.88 and 250,389.12 is: 375,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,141.76 : 1,123,478.88 = 250,389.12 : x
  2. Step 2: Convert to fraction form
    749,141.76/1,123,478.88 = 250,389.12/x
  3. Step 3: Cross multiply
    749,141.76x = 1,123,478.88 × 250,389.12
  4. Step 4: Simplify right side
    749,141.76x = 281,306,888,101.79
  5. Step 5: Solve for x
    x = 281,306,888,101.79/749,141.76
  6. Step 6: Final answer
    x = 375,505.55

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Half scale
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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.