Home / 392,947.38-588,534.89-275,144.63

Finding the Fourth Proportional to 392,947.38, 588,534.89 and 275,144.63

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Solution

The fourth proportional to 392,947.38, 588,534.89 and 275,144.63 is: 412,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,947.38 : 588,534.89 = 275,144.63 : x
  2. Step 2: Convert to fraction form
    392,947.38/588,534.89 = 275,144.63/x
  3. Step 3: Cross multiply
    392,947.38x = 588,534.89 × 275,144.63
  4. Step 4: Simplify right side
    392,947.38x = 161,932,210,232.74
  5. Step 5: Solve for x
    x = 161,932,210,232.74/392,947.38
  6. Step 6: Final answer
    x = 412,096.42

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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.