Home / 498,560.91-747,947.67-228,558.75

Finding the Fourth Proportional to 498,560.91, 747,947.67 and 228,558.75

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Solution

The fourth proportional to 498,560.91, 747,947.67 and 228,558.75 is: 342,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,560.91 : 747,947.67 = 228,558.75 : x
  2. Step 2: Convert to fraction form
    498,560.91/747,947.67 = 228,558.75/x
  3. Step 3: Cross multiply
    498,560.91x = 747,947.67 × 228,558.75
  4. Step 4: Simplify right side
    498,560.91x = 170,949,984,520.61
  5. Step 5: Solve for x
    x = 170,949,984,520.61/498,560.91
  6. Step 6: Final answer
    x = 342,886.86

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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.