Home / 787,846.71-1,179,875.82-449,863.17

Finding the Fourth Proportional to 787,846.71, 1,179,875.82 and 449,863.17

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Solution

The fourth proportional to 787,846.71, 1,179,875.82 and 449,863.17 is: 673,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,846.71 : 1,179,875.82 = 449,863.17 : x
  2. Step 2: Convert to fraction form
    787,846.71/1,179,875.82 = 449,863.17/x
  3. Step 3: Cross multiply
    787,846.71x = 1,179,875.82 × 449,863.17
  4. Step 4: Simplify right side
    787,846.71x = 530,782,676,591.55
  5. Step 5: Solve for x
    x = 530,782,676,591.55/787,846.71
  6. Step 6: Final answer
    x = 673,713.13

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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.