Home / 392,944.38-588,530.39-275,141.63

Finding the Fourth Proportional to 392,944.38, 588,530.39 and 275,141.63

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Solution

The fourth proportional to 392,944.38, 588,530.39 and 275,141.63 is: 412,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,944.38 : 588,530.39 = 275,141.63 : x
  2. Step 2: Convert to fraction form
    392,944.38/588,530.39 = 275,141.63/x
  3. Step 3: Cross multiply
    392,944.38x = 588,530.39 × 275,141.63
  4. Step 4: Simplify right side
    392,944.38x = 161,929,206,490.78
  5. Step 5: Solve for x
    x = 161,929,206,490.78/392,944.38
  6. Step 6: Final answer
    x = 412,091.93

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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.