Home / 667,821.24-1,001,061.24-331,106.64

Finding the Fourth Proportional to 667,821.24, 1,001,061.24 and 331,106.64

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Solution

The fourth proportional to 667,821.24, 1,001,061.24 and 331,106.64 is: 496,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,821.24 : 1,001,061.24 = 331,106.64 : x
  2. Step 2: Convert to fraction form
    667,821.24/1,001,061.24 = 331,106.64/x
  3. Step 3: Cross multiply
    667,821.24x = 1,001,061.24 × 331,106.64
  4. Step 4: Simplify right side
    667,821.24x = 331,458,023,610.63
  5. Step 5: Solve for x
    x = 331,458,023,610.63/667,821.24
  6. Step 6: Final answer
    x = 496,327.47

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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.