Home / 406,480.20-561,035.97-270,519.90

Finding the Fourth Proportional to 406,480.20, 561,035.97 and 270,519.90

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Solution

The fourth proportional to 406,480.20, 561,035.97 and 270,519.90 is: 373,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,480.20 : 561,035.97 = 270,519.90 : x
  2. Step 2: Convert to fraction form
    406,480.20/561,035.97 = 270,519.90/x
  3. Step 3: Cross multiply
    406,480.20x = 561,035.97 × 270,519.90
  4. Step 4: Simplify right side
    406,480.20x = 151,771,394,500.80
  5. Step 5: Solve for x
    x = 151,771,394,500.80/406,480.20
  6. Step 6: Final answer
    x = 373,379.55

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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.