Home / 667,266.30-1,000,996.65-218,007.90

Finding the Fourth Proportional to 667,266.30, 1,000,996.65 and 218,007.90

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Solution

The fourth proportional to 667,266.30, 1,000,996.65 and 218,007.90 is: 327,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,266.30 : 1,000,996.65 = 218,007.90 : x
  2. Step 2: Convert to fraction form
    667,266.30/1,000,996.65 = 218,007.90/x
  3. Step 3: Cross multiply
    667,266.30x = 1,000,996.65 × 218,007.90
  4. Step 4: Simplify right side
    667,266.30x = 218,225,177,573.54
  5. Step 5: Solve for x
    x = 218,225,177,573.54/667,266.30
  6. Step 6: Final answer
    x = 327,043.61

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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.