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Finding the Fourth Proportional to 627,333.80, 940,471.70 and 272,080.26

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Solution

The fourth proportional to 627,333.80, 940,471.70 and 272,080.26 is: 407,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,333.80 : 940,471.70 = 272,080.26 : x
  2. Step 2: Convert to fraction form
    627,333.80/940,471.70 = 272,080.26/x
  3. Step 3: Cross multiply
    627,333.80x = 940,471.70 × 272,080.26
  4. Step 4: Simplify right side
    627,333.80x = 255,883,784,658.64
  5. Step 5: Solve for x
    x = 255,883,784,658.64/627,333.80
  6. Step 6: Final answer
    x = 407,890.96

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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.