Home / 667,549.04-1,001,418.99-205,966.11

Finding the Fourth Proportional to 667,549.04, 1,001,418.99 and 205,966.11

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Solution

The fourth proportional to 667,549.04, 1,001,418.99 and 205,966.11 is: 308,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,549.04 : 1,001,418.99 = 205,966.11 : x
  2. Step 2: Convert to fraction form
    667,549.04/1,001,418.99 = 205,966.11/x
  3. Step 3: Cross multiply
    667,549.04x = 1,001,418.99 × 205,966.11
  4. Step 4: Simplify right side
    667,549.04x = 206,258,373,850.43
  5. Step 5: Solve for x
    x = 206,258,373,850.43/667,549.04
  6. Step 6: Final answer
    x = 308,978.61

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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.