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Finding the Fourth Proportional to 627,092.76, 940,633.88 and 372,688.44

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Solution

The fourth proportional to 627,092.76, 940,633.88 and 372,688.44 is: 559,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,092.76 : 940,633.88 = 372,688.44 : x
  2. Step 2: Convert to fraction form
    627,092.76/940,633.88 = 372,688.44/x
  3. Step 3: Cross multiply
    627,092.76x = 940,633.88 × 372,688.44
  4. Step 4: Simplify right side
    627,092.76x = 350,563,373,348.35
  5. Step 5: Solve for x
    x = 350,563,373,348.35/627,092.76
  6. Step 6: Final answer
    x = 559,029.53

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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.