Home / 406,837.44-561,468.82-225,606.20

Finding the Fourth Proportional to 406,837.44, 561,468.82 and 225,606.20

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Solution

The fourth proportional to 406,837.44, 561,468.82 and 225,606.20 is: 311,354.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,837.44 : 561,468.82 = 225,606.20 : x
  2. Step 2: Convert to fraction form
    406,837.44/561,468.82 = 225,606.20/x
  3. Step 3: Cross multiply
    406,837.44x = 561,468.82 × 225,606.20
  4. Step 4: Simplify right side
    406,837.44x = 126,670,846,898.68
  5. Step 5: Solve for x
    x = 126,670,846,898.68/406,837.44
  6. Step 6: Final answer
    x = 311,354.94

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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.