Home / 749,157.76-1,123,502.40-250,405.12

Finding the Fourth Proportional to 749,157.76, 1,123,502.40 and 250,405.12

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Solution

The fourth proportional to 749,157.76, 1,123,502.40 and 250,405.12 is: 375,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,157.76 : 1,123,502.40 = 250,405.12 : x
  2. Step 2: Convert to fraction form
    749,157.76/1,123,502.40 = 250,405.12/x
  3. Step 3: Cross multiply
    749,157.76x = 1,123,502.40 × 250,405.12
  4. Step 4: Simplify right side
    749,157.76x = 281,330,753,292.29
  5. Step 5: Solve for x
    x = 281,330,753,292.29/749,157.76
  6. Step 6: Final answer
    x = 375,529.39

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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.