Home / 720,436.82-1,080,684.39-271,110.38

Finding the Fourth Proportional to 720,436.82, 1,080,684.39 and 271,110.38

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Solution

The fourth proportional to 720,436.82, 1,080,684.39 and 271,110.38 is: 406,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,436.82 : 1,080,684.39 = 271,110.38 : x
  2. Step 2: Convert to fraction form
    720,436.82/1,080,684.39 = 271,110.38/x
  3. Step 3: Cross multiply
    720,436.82x = 1,080,684.39 × 271,110.38
  4. Step 4: Simplify right side
    720,436.82x = 292,984,755,632.97
  5. Step 5: Solve for x
    x = 292,984,755,632.97/720,436.82
  6. Step 6: Final answer
    x = 406,676.54

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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.