Home / 406,839.44-561,471.58-225,608.20

Finding the Fourth Proportional to 406,839.44, 561,471.58 and 225,608.20

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Solution

The fourth proportional to 406,839.44, 561,471.58 and 225,608.20 is: 311,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,839.44 : 561,471.58 = 225,608.20 : x
  2. Step 2: Convert to fraction form
    406,839.44/561,471.58 = 225,608.20/x
  3. Step 3: Cross multiply
    406,839.44x = 561,471.58 × 225,608.20
  4. Step 4: Simplify right side
    406,839.44x = 126,672,592,514.96
  5. Step 5: Solve for x
    x = 126,672,592,514.96/406,839.44
  6. Step 6: Final answer
    x = 311,357.70

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1.5x scale

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.