Home / 749,120.46-1,123,836.21-250,471.50

Finding the Fourth Proportional to 749,120.46, 1,123,836.21 and 250,471.50

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Solution

The fourth proportional to 749,120.46, 1,123,836.21 and 250,471.50 is: 375,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,120.46 : 1,123,836.21 = 250,471.50 : x
  2. Step 2: Convert to fraction form
    749,120.46/1,123,836.21 = 250,471.50/x
  3. Step 3: Cross multiply
    749,120.46x = 1,123,836.21 × 250,471.50
  4. Step 4: Simplify right side
    749,120.46x = 281,488,941,273.02
  5. Step 5: Solve for x
    x = 281,488,941,273.02/749,120.46
  6. Step 6: Final answer
    x = 375,759.25

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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.