Home / 667,904.09-1,001,759.24-218,642.76

Finding the Fourth Proportional to 667,904.09, 1,001,759.24 and 218,642.76

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Solution

The fourth proportional to 667,904.09, 1,001,759.24 and 218,642.76 is: 327,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,904.09 : 1,001,759.24 = 218,642.76 : x
  2. Step 2: Convert to fraction form
    667,904.09/1,001,759.24 = 218,642.76/x
  3. Step 3: Cross multiply
    667,904.09x = 1,001,759.24 × 218,642.76
  4. Step 4: Simplify right side
    667,904.09x = 219,027,400,080.31
  5. Step 5: Solve for x
    x = 219,027,400,080.31/667,904.09
  6. Step 6: Final answer
    x = 327,932.41

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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.