Home / 723,755.10-1,085,304.60-274,326.60

Finding the Fourth Proportional to 723,755.10, 1,085,304.60 and 274,326.60

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Solution

The fourth proportional to 723,755.10, 1,085,304.60 and 274,326.60 is: 411,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,755.10 : 1,085,304.60 = 274,326.60 : x
  2. Step 2: Convert to fraction form
    723,755.10/1,085,304.60 = 274,326.60/x
  3. Step 3: Cross multiply
    723,755.10x = 1,085,304.60 × 274,326.60
  4. Step 4: Simplify right side
    723,755.10x = 297,727,920,882.36
  5. Step 5: Solve for x
    x = 297,727,920,882.36/723,755.10
  6. Step 6: Final answer
    x = 411,365.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.