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Finding the Fourth Proportional to 627,606.73, 940,880.98 and 272,353.15

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Solution

The fourth proportional to 627,606.73, 940,880.98 and 272,353.15 is: 408,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,606.73 : 940,880.98 = 272,353.15 : x
  2. Step 2: Convert to fraction form
    627,606.73/940,880.98 = 272,353.15/x
  3. Step 3: Cross multiply
    627,606.73x = 940,880.98 × 272,353.15
  4. Step 4: Simplify right side
    627,606.73x = 256,251,892,611.92
  5. Step 5: Solve for x
    x = 256,251,892,611.92/627,606.73
  6. Step 6: Final answer
    x = 408,300.11

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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.