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Finding the Fourth Proportional to 580,996.53, 801,650.84 and 339,169.35

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Solution

The fourth proportional to 580,996.53, 801,650.84 and 339,169.35 is: 467,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,996.53 : 801,650.84 = 339,169.35 : x
  2. Step 2: Convert to fraction form
    580,996.53/801,650.84 = 339,169.35/x
  3. Step 3: Cross multiply
    580,996.53x = 801,650.84 × 339,169.35
  4. Step 4: Simplify right side
    580,996.53x = 271,895,388,625.65
  5. Step 5: Solve for x
    x = 271,895,388,625.65/580,996.53
  6. Step 6: Final answer
    x = 467,981.09

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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.