Home / 627,399.27-940,327.99-289,983.44

Finding the Fourth Proportional to 627,399.27, 940,327.99 and 289,983.44

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Solution

The fourth proportional to 627,399.27, 940,327.99 and 289,983.44 is: 434,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,399.27 : 940,327.99 = 289,983.44 : x
  2. Step 2: Convert to fraction form
    627,399.27/940,327.99 = 289,983.44/x
  3. Step 3: Cross multiply
    627,399.27x = 940,327.99 × 289,983.44
  4. Step 4: Simplify right side
    627,399.27x = 272,679,546,894.35
  5. Step 5: Solve for x
    x = 272,679,546,894.35/627,399.27
  6. Step 6: Final answer
    x = 434,618.85

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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.