Home / 479,523.80-661,744.18-261,734.44

Finding the Fourth Proportional to 479,523.80, 661,744.18 and 261,734.44

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Solution

The fourth proportional to 479,523.80, 661,744.18 and 261,734.44 is: 361,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,523.80 : 661,744.18 = 261,734.44 : x
  2. Step 2: Convert to fraction form
    479,523.80/661,744.18 = 261,734.44/x
  3. Step 3: Cross multiply
    479,523.80x = 661,744.18 × 261,734.44
  4. Step 4: Simplify right side
    479,523.80x = 173,201,242,375.56
  5. Step 5: Solve for x
    x = 173,201,242,375.56/479,523.80
  6. Step 6: Final answer
    x = 361,194.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.