Home / 787,857.17-1,179,891.50-449,873.73

Finding the Fourth Proportional to 787,857.17, 1,179,891.50 and 449,873.73

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Solution

The fourth proportional to 787,857.17, 1,179,891.50 and 449,873.73 is: 673,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,857.17 : 1,179,891.50 = 449,873.73 : x
  2. Step 2: Convert to fraction form
    787,857.17/1,179,891.50 = 449,873.73/x
  3. Step 3: Cross multiply
    787,857.17x = 1,179,891.50 × 449,873.73
  4. Step 4: Simplify right side
    787,857.17x = 530,802,187,850.93
  5. Step 5: Solve for x
    x = 530,802,187,850.93/787,857.17
  6. Step 6: Final answer
    x = 673,728.96

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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.