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Finding the Fourth Proportional to 400,888.52, 599,934.88 and 327,999.03

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Solution

The fourth proportional to 400,888.52, 599,934.88 and 327,999.03 is: 490,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,888.52 : 599,934.88 = 327,999.03 : x
  2. Step 2: Convert to fraction form
    400,888.52/599,934.88 = 327,999.03/x
  3. Step 3: Cross multiply
    400,888.52x = 599,934.88 × 327,999.03
  4. Step 4: Simplify right side
    400,888.52x = 196,778,058,703.17
  5. Step 5: Solve for x
    x = 196,778,058,703.17/400,888.52
  6. Step 6: Final answer
    x = 490,854.81

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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.