Home / 667,331.16-1,000,787.22-217,949.64

Finding the Fourth Proportional to 667,331.16, 1,000,787.22 and 217,949.64

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Solution

The fourth proportional to 667,331.16, 1,000,787.22 and 217,949.64 is: 326,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,331.16 : 1,000,787.22 = 217,949.64 : x
  2. Step 2: Convert to fraction form
    667,331.16/1,000,787.22 = 217,949.64/x
  3. Step 3: Cross multiply
    667,331.16x = 1,000,787.22 × 217,949.64
  4. Step 4: Simplify right side
    667,331.16x = 218,121,214,315.60
  5. Step 5: Solve for x
    x = 218,121,214,315.60/667,331.16
  6. Step 6: Final answer
    x = 326,856.03

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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.