Home / 667,934.90-1,002,023.85-218,530.70

Finding the Fourth Proportional to 667,934.90, 1,002,023.85 and 218,530.70

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Solution

The fourth proportional to 667,934.90, 1,002,023.85 and 218,530.70 is: 327,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,934.90 : 1,002,023.85 = 218,530.70 : x
  2. Step 2: Convert to fraction form
    667,934.90/1,002,023.85 = 218,530.70/x
  3. Step 3: Cross multiply
    667,934.90x = 1,002,023.85 × 218,530.70
  4. Step 4: Simplify right side
    667,934.90x = 218,972,973,357.20
  5. Step 5: Solve for x
    x = 218,972,973,357.20/667,934.90
  6. Step 6: Final answer
    x = 327,835.80

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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.