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Finding the Fourth Proportional to 611,754.63, 844,245.08 and 339,843.16

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Solution

The fourth proportional to 611,754.63, 844,245.08 and 339,843.16 is: 468,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,754.63 : 844,245.08 = 339,843.16 : x
  2. Step 2: Convert to fraction form
    611,754.63/844,245.08 = 339,843.16/x
  3. Step 3: Cross multiply
    611,754.63x = 844,245.08 × 339,843.16
  4. Step 4: Simplify right side
    611,754.63x = 286,910,915,801.65
  5. Step 5: Solve for x
    x = 286,910,915,801.65/611,754.63
  6. Step 6: Final answer
    x = 468,996.72

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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.