Home / 674,500.87-1,011,250.92-408,198.18

Finding the Fourth Proportional to 674,500.87, 1,011,250.92 and 408,198.18

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Solution

The fourth proportional to 674,500.87, 1,011,250.92 and 408,198.18 is: 611,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,500.87 : 1,011,250.92 = 408,198.18 : x
  2. Step 2: Convert to fraction form
    674,500.87/1,011,250.92 = 408,198.18/x
  3. Step 3: Cross multiply
    674,500.87x = 1,011,250.92 × 408,198.18
  4. Step 4: Simplify right side
    674,500.87x = 412,790,785,067.33
  5. Step 5: Solve for x
    x = 412,790,785,067.33/674,500.87
  6. Step 6: Final answer
    x = 611,994.45

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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.