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Finding the Fourth Proportional to 541,308.80, 810,796.80 and 447,996.80

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Solution

The fourth proportional to 541,308.80, 810,796.80 and 447,996.80 is: 671,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,308.80 : 810,796.80 = 447,996.80 : x
  2. Step 2: Convert to fraction form
    541,308.80/810,796.80 = 447,996.80/x
  3. Step 3: Cross multiply
    541,308.80x = 810,796.80 × 447,996.80
  4. Step 4: Simplify right side
    541,308.80x = 363,234,371,850.24
  5. Step 5: Solve for x
    x = 363,234,371,850.24/541,308.80
  6. Step 6: Final answer
    x = 671,029.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.