Home / 981,699.66-1,472,581.69-271,668.24

Finding the Fourth Proportional to 981,699.66, 1,472,581.69 and 271,668.24

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Solution

The fourth proportional to 981,699.66, 1,472,581.69 and 271,668.24 is: 407,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,699.66 : 1,472,581.69 = 271,668.24 : x
  2. Step 2: Convert to fraction form
    981,699.66/1,472,581.69 = 271,668.24/x
  3. Step 3: Cross multiply
    981,699.66x = 1,472,581.69 × 271,668.24
  4. Step 4: Simplify right side
    981,699.66x = 400,053,675,299.36
  5. Step 5: Solve for x
    x = 400,053,675,299.36/981,699.66
  6. Step 6: Final answer
    x = 407,511.27

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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.