Home / 753,822.48-1,040,517.42-482,620.80

Finding the Fourth Proportional to 753,822.48, 1,040,517.42 and 482,620.80

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Solution

The fourth proportional to 753,822.48, 1,040,517.42 and 482,620.80 is: 666,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,822.48 : 1,040,517.42 = 482,620.80 : x
  2. Step 2: Convert to fraction form
    753,822.48/1,040,517.42 = 482,620.80/x
  3. Step 3: Cross multiply
    753,822.48x = 1,040,517.42 × 482,620.80
  4. Step 4: Simplify right side
    753,822.48x = 502,175,349,654.34
  5. Step 5: Solve for x
    x = 502,175,349,654.34/753,822.48
  6. Step 6: Final answer
    x = 666,171.89

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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.