Home / 627,772.61-941,363.60-438,446.76

Finding the Fourth Proportional to 627,772.61, 941,363.60 and 438,446.76

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Solution

The fourth proportional to 627,772.61, 941,363.60 and 438,446.76 is: 657,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,772.61 : 941,363.60 = 438,446.76 : x
  2. Step 2: Convert to fraction form
    627,772.61/941,363.60 = 438,446.76/x
  3. Step 3: Cross multiply
    627,772.61x = 941,363.60 × 438,446.76
  4. Step 4: Simplify right side
    627,772.61x = 412,737,818,209.70
  5. Step 5: Solve for x
    x = 412,737,818,209.70/627,772.61
  6. Step 6: Final answer
    x = 657,463.89

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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.