Home / 739,388.18-1,109,082.40-178,422.68

Finding the Fourth Proportional to 739,388.18, 1,109,082.40 and 178,422.68

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Solution

The fourth proportional to 739,388.18, 1,109,082.40 and 178,422.68 is: 267,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,388.18 : 1,109,082.40 = 178,422.68 : x
  2. Step 2: Convert to fraction form
    739,388.18/1,109,082.40 = 178,422.68/x
  3. Step 3: Cross multiply
    739,388.18x = 1,109,082.40 × 178,422.68
  4. Step 4: Simplify right side
    739,388.18x = 197,885,454,148.83
  5. Step 5: Solve for x
    x = 197,885,454,148.83/739,388.18
  6. Step 6: Final answer
    x = 267,634.05

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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.