Home / 406,877.04-561,467.82-225,578.38

Finding the Fourth Proportional to 406,877.04, 561,467.82 and 225,578.38

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Solution

The fourth proportional to 406,877.04, 561,467.82 and 225,578.38 is: 311,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,877.04 : 561,467.82 = 225,578.38 : x
  2. Step 2: Convert to fraction form
    406,877.04/561,467.82 = 225,578.38/x
  3. Step 3: Cross multiply
    406,877.04x = 561,467.82 × 225,578.38
  4. Step 4: Simplify right side
    406,877.04x = 126,655,001,257.73
  5. Step 5: Solve for x
    x = 126,655,001,257.73/406,877.04
  6. Step 6: Final answer
    x = 311,285.69

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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.