Home / 498,279.87-747,682.25-217,993.95

Finding the Fourth Proportional to 498,279.87, 747,682.25 and 217,993.95

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Solution

The fourth proportional to 498,279.87, 747,682.25 and 217,993.95 is: 327,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,279.87 : 747,682.25 = 217,993.95 : x
  2. Step 2: Convert to fraction form
    498,279.87/747,682.25 = 217,993.95/x
  3. Step 3: Cross multiply
    498,279.87x = 747,682.25 × 217,993.95
  4. Step 4: Simplify right side
    498,279.87x = 162,990,205,932.42
  5. Step 5: Solve for x
    x = 162,990,205,932.42/498,279.87
  6. Step 6: Final answer
    x = 327,105.74

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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.