Home / 667,762.92-1,000,976.14-331,049.96

Finding the Fourth Proportional to 667,762.92, 1,000,976.14 and 331,049.96

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Solution

The fourth proportional to 667,762.92, 1,000,976.14 and 331,049.96 is: 496,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,762.92 : 1,000,976.14 = 331,049.96 : x
  2. Step 2: Convert to fraction form
    667,762.92/1,000,976.14 = 331,049.96/x
  3. Step 3: Cross multiply
    667,762.92x = 1,000,976.14 × 331,049.96
  4. Step 4: Simplify right side
    667,762.92x = 331,373,111,107.95
  5. Step 5: Solve for x
    x = 331,373,111,107.95/667,762.92
  6. Step 6: Final answer
    x = 496,243.65

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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.