Home / 981,899.55-1,472,682.15-271,761.21

Finding the Fourth Proportional to 981,899.55, 1,472,682.15 and 271,761.21

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Solution

The fourth proportional to 981,899.55, 1,472,682.15 and 271,761.21 is: 407,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,899.55 : 1,472,682.15 = 271,761.21 : x
  2. Step 2: Convert to fraction form
    981,899.55/1,472,682.15 = 271,761.21/x
  3. Step 3: Cross multiply
    981,899.55x = 1,472,682.15 × 271,761.21
  4. Step 4: Simplify right side
    981,899.55x = 400,217,883,029.40
  5. Step 5: Solve for x
    x = 400,217,883,029.40/981,899.55
  6. Step 6: Final answer
    x = 407,595.55

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1.5x scale

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.