Home / 729,404.82-1,094,249.05-280,092.66

Finding the Fourth Proportional to 729,404.82, 1,094,249.05 and 280,092.66

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Solution

The fourth proportional to 729,404.82, 1,094,249.05 and 280,092.66 is: 420,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,404.82 : 1,094,249.05 = 280,092.66 : x
  2. Step 2: Convert to fraction form
    729,404.82/1,094,249.05 = 280,092.66/x
  3. Step 3: Cross multiply
    729,404.82x = 1,094,249.05 × 280,092.66
  4. Step 4: Simplify right side
    729,404.82x = 306,491,125,390.88
  5. Step 5: Solve for x
    x = 306,491,125,390.88/729,404.82
  6. Step 6: Final answer
    x = 420,193.45

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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.