Home / 667,790.16-1,001,778.80-218,546.34

Finding the Fourth Proportional to 667,790.16, 1,001,778.80 and 218,546.34

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Solution

The fourth proportional to 667,790.16, 1,001,778.80 and 218,546.34 is: 327,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,790.16 : 1,001,778.80 = 218,546.34 : x
  2. Step 2: Convert to fraction form
    667,790.16/1,001,778.80 = 218,546.34/x
  3. Step 3: Cross multiply
    667,790.16x = 1,001,778.80 × 218,546.34
  4. Step 4: Simplify right side
    667,790.16x = 218,935,090,229.59
  5. Step 5: Solve for x
    x = 218,935,090,229.59/667,790.16
  6. Step 6: Final answer
    x = 327,850.13

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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.