Home / 942,685.92-1,414,250.38-311,599.76

Finding the Fourth Proportional to 942,685.92, 1,414,250.38 and 311,599.76

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Solution

The fourth proportional to 942,685.92, 1,414,250.38 and 311,599.76 is: 467,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,685.92 : 1,414,250.38 = 311,599.76 : x
  2. Step 2: Convert to fraction form
    942,685.92/1,414,250.38 = 311,599.76/x
  3. Step 3: Cross multiply
    942,685.92x = 1,414,250.38 × 311,599.76
  4. Step 4: Simplify right side
    942,685.92x = 440,680,078,987.91
  5. Step 5: Solve for x
    x = 440,680,078,987.91/942,685.92
  6. Step 6: Final answer
    x = 467,472.86

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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.