Home / 454,610.46-627,500.10-263,670.78

Finding the Fourth Proportional to 454,610.46, 627,500.10 and 263,670.78

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Solution

The fourth proportional to 454,610.46, 627,500.10 and 263,670.78 is: 363,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,610.46 : 627,500.10 = 263,670.78 : x
  2. Step 2: Convert to fraction form
    454,610.46/627,500.10 = 263,670.78/x
  3. Step 3: Cross multiply
    454,610.46x = 627,500.10 × 263,670.78
  4. Step 4: Simplify right side
    454,610.46x = 165,453,440,817.08
  5. Step 5: Solve for x
    x = 165,453,440,817.08/454,610.46
  6. Step 6: Final answer
    x = 363,945.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.