Home / 809,791.85-1,214,563.23-270,057.58

Finding the Fourth Proportional to 809,791.85, 1,214,563.23 and 270,057.58

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Solution

The fourth proportional to 809,791.85, 1,214,563.23 and 270,057.58 is: 405,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,791.85 : 1,214,563.23 = 270,057.58 : x
  2. Step 2: Convert to fraction form
    809,791.85/1,214,563.23 = 270,057.58/x
  3. Step 3: Cross multiply
    809,791.85x = 1,214,563.23 × 270,057.58
  4. Step 4: Simplify right side
    809,791.85x = 328,002,003,614.38
  5. Step 5: Solve for x
    x = 328,002,003,614.38/809,791.85
  6. Step 6: Final answer
    x = 405,044.83

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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.