Home / 981,055.76-1,471,584.32-271,084.48

Finding the Fourth Proportional to 981,055.76, 1,471,584.32 and 271,084.48

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Solution

The fourth proportional to 981,055.76, 1,471,584.32 and 271,084.48 is: 406,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,055.76 : 1,471,584.32 = 271,084.48 : x
  2. Step 2: Convert to fraction form
    981,055.76/1,471,584.32 = 271,084.48/x
  3. Step 3: Cross multiply
    981,055.76x = 1,471,584.32 × 271,084.48
  4. Step 4: Simplify right side
    981,055.76x = 398,923,666,145.54
  5. Step 5: Solve for x
    x = 398,923,666,145.54/981,055.76
  6. Step 6: Final answer
    x = 406,626.91

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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.