Home / 981,615.76-1,472,456.58-271,584.34

Finding the Fourth Proportional to 981,615.76, 1,472,456.58 and 271,584.34

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Solution

The fourth proportional to 981,615.76, 1,472,456.58 and 271,584.34 is: 407,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,615.76 : 1,472,456.58 = 271,584.34 : x
  2. Step 2: Convert to fraction form
    981,615.76/1,472,456.58 = 271,584.34/x
  3. Step 3: Cross multiply
    981,615.76x = 1,472,456.58 × 271,584.34
  4. Step 4: Simplify right side
    981,615.76x = 399,896,148,457.96
  5. Step 5: Solve for x
    x = 399,896,148,457.96/981,615.76
  6. Step 6: Final answer
    x = 407,385.62

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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.