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Finding the Fourth Proportional to 671,375.77, 926,519.45 and 365,472.52

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Solution

The fourth proportional to 671,375.77, 926,519.45 and 365,472.52 is: 504,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,375.77 : 926,519.45 = 365,472.52 : x
  2. Step 2: Convert to fraction form
    671,375.77/926,519.45 = 365,472.52/x
  3. Step 3: Cross multiply
    671,375.77x = 926,519.45 × 365,472.52
  4. Step 4: Simplify right side
    671,375.77x = 338,617,394,076.85
  5. Step 5: Solve for x
    x = 338,617,394,076.85/671,375.77
  6. Step 6: Final answer
    x = 504,363.44

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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.