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Finding the Fourth Proportional to 880,625.90, 1,320,522.45 and 341,134.85

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Solution

The fourth proportional to 880,625.90, 1,320,522.45 and 341,134.85 is: 511,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,625.90 : 1,320,522.45 = 341,134.85 : x
  2. Step 2: Convert to fraction form
    880,625.90/1,320,522.45 = 341,134.85/x
  3. Step 3: Cross multiply
    880,625.90x = 1,320,522.45 × 341,134.85
  4. Step 4: Simplify right side
    880,625.90x = 450,476,221,299.77
  5. Step 5: Solve for x
    x = 450,476,221,299.77/880,625.90
  6. Step 6: Final answer
    x = 511,540.97

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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.