Home / 667,609.24-1,000,707.87-218,209.44

Finding the Fourth Proportional to 667,609.24, 1,000,707.87 and 218,209.44

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Solution

The fourth proportional to 667,609.24, 1,000,707.87 and 218,209.44 is: 327,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,609.24 : 1,000,707.87 = 218,209.44 : x
  2. Step 2: Convert to fraction form
    667,609.24/1,000,707.87 = 218,209.44/x
  3. Step 3: Cross multiply
    667,609.24x = 1,000,707.87 × 218,209.44
  4. Step 4: Simplify right side
    667,609.24x = 218,363,907,259.81
  5. Step 5: Solve for x
    x = 218,363,907,259.81/667,609.24
  6. Step 6: Final answer
    x = 327,083.41

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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.