Home / 627,424.88-940,608.20-272,171.28

Finding the Fourth Proportional to 627,424.88, 940,608.20 and 272,171.28

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Solution

The fourth proportional to 627,424.88, 940,608.20 and 272,171.28 is: 408,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,424.88 : 940,608.20 = 272,171.28 : x
  2. Step 2: Convert to fraction form
    627,424.88/940,608.20 = 272,171.28/x
  3. Step 3: Cross multiply
    627,424.88x = 940,608.20 × 272,171.28
  4. Step 4: Simplify right side
    627,424.88x = 256,006,537,772.50
  5. Step 5: Solve for x
    x = 256,006,537,772.50/627,424.88
  6. Step 6: Final answer
    x = 408,027.39

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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.