Home / 672,234.78-1,008,509.49-267,449.90

Finding the Fourth Proportional to 672,234.78, 1,008,509.49 and 267,449.90

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Solution

The fourth proportional to 672,234.78, 1,008,509.49 and 267,449.90 is: 401,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,234.78 : 1,008,509.49 = 267,449.90 : x
  2. Step 2: Convert to fraction form
    672,234.78/1,008,509.49 = 267,449.90/x
  3. Step 3: Cross multiply
    672,234.78x = 1,008,509.49 × 267,449.90
  4. Step 4: Simplify right side
    672,234.78x = 269,725,764,770.83
  5. Step 5: Solve for x
    x = 269,725,764,770.83/672,234.78
  6. Step 6: Final answer
    x = 401,237.44

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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.