Home / 627,377.12-940,536.56-272,123.54

Finding the Fourth Proportional to 627,377.12, 940,536.56 and 272,123.54

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Solution

The fourth proportional to 627,377.12, 940,536.56 and 272,123.54 is: 407,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,377.12 : 940,536.56 = 272,123.54 : x
  2. Step 2: Convert to fraction form
    627,377.12/940,536.56 = 272,123.54/x
  3. Step 3: Cross multiply
    627,377.12x = 940,536.56 × 272,123.54
  4. Step 4: Simplify right side
    627,377.12x = 255,942,138,206.62
  5. Step 5: Solve for x
    x = 255,942,138,206.62/627,377.12
  6. Step 6: Final answer
    x = 407,955.81

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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.