Home / 667,921.44-1,000,220.31-467,302.53

Finding the Fourth Proportional to 667,921.44, 1,000,220.31 and 467,302.53

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Solution

The fourth proportional to 667,921.44, 1,000,220.31 and 467,302.53 is: 699,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,921.44 : 1,000,220.31 = 467,302.53 : x
  2. Step 2: Convert to fraction form
    667,921.44/1,000,220.31 = 467,302.53/x
  3. Step 3: Cross multiply
    667,921.44x = 1,000,220.31 × 467,302.53
  4. Step 4: Simplify right side
    667,921.44x = 467,405,481,420.38
  5. Step 5: Solve for x
    x = 467,405,481,420.38/667,921.44
  6. Step 6: Final answer
    x = 699,791.10

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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.