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Finding the Fourth Proportional to 636,591.11, 954,872.78 and 299,444.87

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Solution

The fourth proportional to 636,591.11, 954,872.78 and 299,444.87 is: 449,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,591.11 : 954,872.78 = 299,444.87 : x
  2. Step 2: Convert to fraction form
    636,591.11/954,872.78 = 299,444.87/x
  3. Step 3: Cross multiply
    636,591.11x = 954,872.78 × 299,444.87
  4. Step 4: Simplify right side
    636,591.11x = 285,931,756,363.60
  5. Step 5: Solve for x
    x = 285,931,756,363.60/636,591.11
  6. Step 6: Final answer
    x = 449,160.78

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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.