Home / 741,760.20-1,112,148.72-268,383.96

Finding the Fourth Proportional to 741,760.20, 1,112,148.72 and 268,383.96

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Solution

The fourth proportional to 741,760.20, 1,112,148.72 and 268,383.96 is: 402,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,760.20 : 1,112,148.72 = 268,383.96 : x
  2. Step 2: Convert to fraction form
    741,760.20/1,112,148.72 = 268,383.96/x
  3. Step 3: Cross multiply
    741,760.20x = 1,112,148.72 × 268,383.96
  4. Step 4: Simplify right side
    741,760.20x = 298,482,877,582.53
  5. Step 5: Solve for x
    x = 298,482,877,582.53/741,760.20
  6. Step 6: Final answer
    x = 402,398.08

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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.