Home / 674,231.22-1,011,209.94-247,620.42

Finding the Fourth Proportional to 674,231.22, 1,011,209.94 and 247,620.42

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Solution

The fourth proportional to 674,231.22, 1,011,209.94 and 247,620.42 is: 371,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,231.22 : 1,011,209.94 = 247,620.42 : x
  2. Step 2: Convert to fraction form
    674,231.22/1,011,209.94 = 247,620.42/x
  3. Step 3: Cross multiply
    674,231.22x = 1,011,209.94 × 247,620.42
  4. Step 4: Simplify right side
    674,231.22x = 250,396,230,050.98
  5. Step 5: Solve for x
    x = 250,396,230,050.98/674,231.22
  6. Step 6: Final answer
    x = 371,380.36

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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.