Home / 981,631.76-1,472,480.48-271,600.36

Finding the Fourth Proportional to 981,631.76, 1,472,480.48 and 271,600.36

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Solution

The fourth proportional to 981,631.76, 1,472,480.48 and 271,600.36 is: 407,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,631.76 : 1,472,480.48 = 271,600.36 : x
  2. Step 2: Convert to fraction form
    981,631.76/1,472,480.48 = 271,600.36/x
  3. Step 3: Cross multiply
    981,631.76x = 1,472,480.48 × 271,600.36
  4. Step 4: Simplify right side
    981,631.76x = 399,926,228,460.97
  5. Step 5: Solve for x
    x = 399,926,228,460.97/981,631.76
  6. Step 6: Final answer
    x = 407,409.63

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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.