Home / 741,631.50-1,111,787.51-268,211.61

Finding the Fourth Proportional to 741,631.50, 1,111,787.51 and 268,211.61

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Solution

The fourth proportional to 741,631.50, 1,111,787.51 and 268,211.61 is: 402,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,631.50 : 1,111,787.51 = 268,211.61 : x
  2. Step 2: Convert to fraction form
    741,631.50/1,111,787.51 = 268,211.61/x
  3. Step 3: Cross multiply
    741,631.50x = 1,111,787.51 × 268,211.61
  4. Step 4: Simplify right side
    741,631.50x = 298,194,316,693.93
  5. Step 5: Solve for x
    x = 298,194,316,693.93/741,631.50
  6. Step 6: Final answer
    x = 402,078.82

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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.