Home / 801,001.80-1,201,211.10-268,540.20

Finding the Fourth Proportional to 801,001.80, 1,201,211.10 and 268,540.20

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Solution

The fourth proportional to 801,001.80, 1,201,211.10 and 268,540.20 is: 402,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,001.80 : 1,201,211.10 = 268,540.20 : x
  2. Step 2: Convert to fraction form
    801,001.80/1,201,211.10 = 268,540.20/x
  3. Step 3: Cross multiply
    801,001.80x = 1,201,211.10 × 268,540.20
  4. Step 4: Simplify right side
    801,001.80x = 322,573,469,036.22
  5. Step 5: Solve for x
    x = 322,573,469,036.22/801,001.80
  6. Step 6: Final answer
    x = 402,712.54

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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.