Home / 627,328.31-940,463.46-272,074.76

Finding the Fourth Proportional to 627,328.31, 940,463.46 and 272,074.76

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Solution

The fourth proportional to 627,328.31, 940,463.46 and 272,074.76 is: 407,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,328.31 : 940,463.46 = 272,074.76 : x
  2. Step 2: Convert to fraction form
    627,328.31/940,463.46 = 272,074.76/x
  3. Step 3: Cross multiply
    627,328.31x = 940,463.46 × 272,074.76
  4. Step 4: Simplify right side
    627,328.31x = 255,876,365,465.95
  5. Step 5: Solve for x
    x = 255,876,365,465.95/627,328.31
  6. Step 6: Final answer
    x = 407,882.70

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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.