Home / 543,942.03-814,791.72-318,619.34

Finding the Fourth Proportional to 543,942.03, 814,791.72 and 318,619.34

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Solution

The fourth proportional to 543,942.03, 814,791.72 and 318,619.34 is: 477,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,942.03 : 814,791.72 = 318,619.34 : x
  2. Step 2: Convert to fraction form
    543,942.03/814,791.72 = 318,619.34/x
  3. Step 3: Cross multiply
    543,942.03x = 814,791.72 × 318,619.34
  4. Step 4: Simplify right side
    543,942.03x = 259,608,395,989.91
  5. Step 5: Solve for x
    x = 259,608,395,989.91/543,942.03
  6. Step 6: Final answer
    x = 477,272.18

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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.