Home / 981,716.91-1,472,577.39-271,747.05

Finding the Fourth Proportional to 981,716.91, 1,472,577.39 and 271,747.05

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Solution

The fourth proportional to 981,716.91, 1,472,577.39 and 271,747.05 is: 407,621.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,716.91 : 1,472,577.39 = 271,747.05 : x
  2. Step 2: Convert to fraction form
    981,716.91/1,472,577.39 = 271,747.05/x
  3. Step 3: Cross multiply
    981,716.91x = 1,472,577.39 × 271,747.05
  4. Step 4: Simplify right side
    981,716.91x = 400,168,561,629.20
  5. Step 5: Solve for x
    x = 400,168,561,629.20/981,716.91
  6. Step 6: Final answer
    x = 407,621.14

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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.