Home / 865,724.82-1,194,839.64-543,481.29

Finding the Fourth Proportional to 865,724.82, 1,194,839.64 and 543,481.29

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Solution

The fourth proportional to 865,724.82, 1,194,839.64 and 543,481.29 is: 750,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,724.82 : 1,194,839.64 = 543,481.29 : x
  2. Step 2: Convert to fraction form
    865,724.82/1,194,839.64 = 543,481.29/x
  3. Step 3: Cross multiply
    865,724.82x = 1,194,839.64 × 543,481.29
  4. Step 4: Simplify right side
    865,724.82x = 649,372,988,890.34
  5. Step 5: Solve for x
    x = 649,372,988,890.34/865,724.82
  6. Step 6: Final answer
    x = 750,091.68

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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.