Home / 667,604.32-1,001,564.06-218,323.44

Finding the Fourth Proportional to 667,604.32, 1,001,564.06 and 218,323.44

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Solution

The fourth proportional to 667,604.32, 1,001,564.06 and 218,323.44 is: 327,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,604.32 : 1,001,564.06 = 218,323.44 : x
  2. Step 2: Convert to fraction form
    667,604.32/1,001,564.06 = 218,323.44/x
  3. Step 3: Cross multiply
    667,604.32x = 1,001,564.06 × 218,323.44
  4. Step 4: Simplify right side
    667,604.32x = 218,664,910,959.57
  5. Step 5: Solve for x
    x = 218,664,910,959.57/667,604.32
  6. Step 6: Final answer
    x = 327,536.69

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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.