Home / 981,727.26-1,472,426.85-271,827.06

Finding the Fourth Proportional to 981,727.26, 1,472,426.85 and 271,827.06

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Solution

The fourth proportional to 981,727.26, 1,472,426.85 and 271,827.06 is: 407,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,727.26 : 1,472,426.85 = 271,827.06 : x
  2. Step 2: Convert to fraction form
    981,727.26/1,472,426.85 = 271,827.06/x
  3. Step 3: Cross multiply
    981,727.26x = 1,472,426.85 × 271,827.06
  4. Step 4: Simplify right side
    981,727.26x = 400,245,461,700.56
  5. Step 5: Solve for x
    x = 400,245,461,700.56/981,727.26
  6. Step 6: Final answer
    x = 407,695.17

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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.