Home / 981,725.76-1,472,424.60-271,825.56

Finding the Fourth Proportional to 981,725.76, 1,472,424.60 and 271,825.56

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Solution

The fourth proportional to 981,725.76, 1,472,424.60 and 271,825.56 is: 407,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,725.76 : 1,472,424.60 = 271,825.56 : x
  2. Step 2: Convert to fraction form
    981,725.76/1,472,424.60 = 271,825.56/x
  3. Step 3: Cross multiply
    981,725.76x = 1,472,424.60 × 271,825.56
  4. Step 4: Simplify right side
    981,725.76x = 400,242,641,452.78
  5. Step 5: Solve for x
    x = 400,242,641,452.78/981,725.76
  6. Step 6: Final answer
    x = 407,692.92

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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.