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Finding the Fourth Proportional to 626,481.56, 864,537.36 and 340,001.84

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Solution

The fourth proportional to 626,481.56, 864,537.36 and 340,001.84 is: 469,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,481.56 : 864,537.36 = 340,001.84 : x
  2. Step 2: Convert to fraction form
    626,481.56/864,537.36 = 340,001.84/x
  3. Step 3: Cross multiply
    626,481.56x = 864,537.36 × 340,001.84
  4. Step 4: Simplify right side
    626,481.56x = 293,944,293,148.74
  5. Step 5: Solve for x
    x = 293,944,293,148.74/626,481.56
  6. Step 6: Final answer
    x = 469,198.64

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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.