Home / 672,006.70-1,007,232.45-272,449.90

Finding the Fourth Proportional to 672,006.70, 1,007,232.45 and 272,449.90

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Solution

The fourth proportional to 672,006.70, 1,007,232.45 and 272,449.90 is: 408,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,006.70 : 1,007,232.45 = 272,449.90 : x
  2. Step 2: Convert to fraction form
    672,006.70/1,007,232.45 = 272,449.90/x
  3. Step 3: Cross multiply
    672,006.70x = 1,007,232.45 × 272,449.90
  4. Step 4: Simplify right side
    672,006.70x = 274,420,380,279.26
  5. Step 5: Solve for x
    x = 274,420,380,279.26/672,006.70
  6. Step 6: Final answer
    x = 408,359.59

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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.