Home / 667,434.30-1,001,248.65-218,175.90

Finding the Fourth Proportional to 667,434.30, 1,001,248.65 and 218,175.90

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Solution

The fourth proportional to 667,434.30, 1,001,248.65 and 218,175.90 is: 327,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,434.30 : 1,001,248.65 = 218,175.90 : x
  2. Step 2: Convert to fraction form
    667,434.30/1,001,248.65 = 218,175.90/x
  3. Step 3: Cross multiply
    667,434.30x = 1,001,248.65 × 218,175.90
  4. Step 4: Simplify right side
    667,434.30x = 218,448,325,337.54
  5. Step 5: Solve for x
    x = 218,448,325,337.54/667,434.30
  6. Step 6: Final answer
    x = 327,295.62

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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.