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Finding the Fourth Proportional to 627,077.20, 940,615.80 and 377,630.80

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Solution

The fourth proportional to 627,077.20, 940,615.80 and 377,630.80 is: 566,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,077.20 : 940,615.80 = 377,630.80 : x
  2. Step 2: Convert to fraction form
    627,077.20/940,615.80 = 377,630.80/x
  3. Step 3: Cross multiply
    627,077.20x = 940,615.80 × 377,630.80
  4. Step 4: Simplify right side
    627,077.20x = 355,205,497,046.64
  5. Step 5: Solve for x
    x = 355,205,497,046.64/627,077.20
  6. Step 6: Final answer
    x = 566,446.20

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1.5x scale

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.