Home / 627,375.12-940,533.56-272,121.54

Finding the Fourth Proportional to 627,375.12, 940,533.56 and 272,121.54

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Solution

The fourth proportional to 627,375.12, 940,533.56 and 272,121.54 is: 407,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,375.12 : 940,533.56 = 272,121.54 : x
  2. Step 2: Convert to fraction form
    627,375.12/940,533.56 = 272,121.54/x
  3. Step 3: Cross multiply
    627,375.12x = 940,533.56 × 272,121.54
  4. Step 4: Simplify right side
    627,375.12x = 255,939,440,768.88
  5. Step 5: Solve for x
    x = 255,939,440,768.88/627,375.12
  6. Step 6: Final answer
    x = 407,952.81

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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.