Home / 942,686.92-1,414,251.88-311,600.76

Finding the Fourth Proportional to 942,686.92, 1,414,251.88 and 311,600.76

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Solution

The fourth proportional to 942,686.92, 1,414,251.88 and 311,600.76 is: 467,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,686.92 : 1,414,251.88 = 311,600.76 : x
  2. Step 2: Convert to fraction form
    942,686.92/1,414,251.88 = 311,600.76/x
  3. Step 3: Cross multiply
    942,686.92x = 1,414,251.88 × 311,600.76
  4. Step 4: Simplify right side
    942,686.92x = 440,681,960,639.43
  5. Step 5: Solve for x
    x = 440,681,960,639.43/942,686.92
  6. Step 6: Final answer
    x = 467,474.36

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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.