Home / 741,654.68-1,111,821.96-268,234.88

Finding the Fourth Proportional to 741,654.68, 1,111,821.96 and 268,234.88

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Solution

The fourth proportional to 741,654.68, 1,111,821.96 and 268,234.88 is: 402,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,654.68 : 1,111,821.96 = 268,234.88 : x
  2. Step 2: Convert to fraction form
    741,654.68/1,111,821.96 = 268,234.88/x
  3. Step 3: Cross multiply
    741,654.68x = 1,111,821.96 × 268,234.88
  4. Step 4: Simplify right side
    741,654.68x = 298,229,430,021.97
  5. Step 5: Solve for x
    x = 298,229,430,021.97/741,654.68
  6. Step 6: Final answer
    x = 402,113.60

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1.5x scale

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.