Home / 776,554.38-1,165,363.56-271,115.42

Finding the Fourth Proportional to 776,554.38, 1,165,363.56 and 271,115.42

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Solution

The fourth proportional to 776,554.38, 1,165,363.56 and 271,115.42 is: 406,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,554.38 : 1,165,363.56 = 271,115.42 : x
  2. Step 2: Convert to fraction form
    776,554.38/1,165,363.56 = 271,115.42/x
  3. Step 3: Cross multiply
    776,554.38x = 1,165,363.56 × 271,115.42
  4. Step 4: Simplify right side
    776,554.38x = 315,948,025,195.28
  5. Step 5: Solve for x
    x = 315,948,025,195.28/776,554.38
  6. Step 6: Final answer
    x = 406,858.85

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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.