Home / 981,756.22-1,472,659.38-271,790.38

Finding the Fourth Proportional to 981,756.22, 1,472,659.38 and 271,790.38

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Solution

The fourth proportional to 981,756.22, 1,472,659.38 and 271,790.38 is: 407,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,756.22 : 1,472,659.38 = 271,790.38 : x
  2. Step 2: Convert to fraction form
    981,756.22/1,472,659.38 = 271,790.38/x
  3. Step 3: Cross multiply
    981,756.22x = 1,472,659.38 × 271,790.38
  4. Step 4: Simplify right side
    981,756.22x = 400,254,652,500.76
  5. Step 5: Solve for x
    x = 400,254,652,500.76/981,756.22
  6. Step 6: Final answer
    x = 407,692.50

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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.