Home / 771,229.22-1,157,174.22-298,246.73

Finding the Fourth Proportional to 771,229.22, 1,157,174.22 and 298,246.73

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Solution

The fourth proportional to 771,229.22, 1,157,174.22 and 298,246.73 is: 447,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,229.22 : 1,157,174.22 = 298,246.73 : x
  2. Step 2: Convert to fraction form
    771,229.22/1,157,174.22 = 298,246.73/x
  3. Step 3: Cross multiply
    771,229.22x = 1,157,174.22 × 298,246.73
  4. Step 4: Simplify right side
    771,229.22x = 345,123,427,155.30
  5. Step 5: Solve for x
    x = 345,123,427,155.30/771,229.22
  6. Step 6: Final answer
    x = 447,497.86

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Double scale
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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.