Home / 667,532.22-1,000,965.69-218,194.62

Finding the Fourth Proportional to 667,532.22, 1,000,965.69 and 218,194.62

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Solution

The fourth proportional to 667,532.22, 1,000,965.69 and 218,194.62 is: 327,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,532.22 : 1,000,965.69 = 218,194.62 : x
  2. Step 2: Convert to fraction form
    667,532.22/1,000,965.69 = 218,194.62/x
  3. Step 3: Cross multiply
    667,532.22x = 1,000,965.69 × 218,194.62
  4. Step 4: Simplify right side
    667,532.22x = 218,405,328,362.59
  5. Step 5: Solve for x
    x = 218,405,328,362.59/667,532.22
  6. Step 6: Final answer
    x = 327,183.20

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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.