Home / 981,725.94-1,472,424.89-271,825.74

Finding the Fourth Proportional to 981,725.94, 1,472,424.89 and 271,825.74

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Solution

The fourth proportional to 981,725.94, 1,472,424.89 and 271,825.74 is: 407,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,725.94 : 1,472,424.89 = 271,825.74 : x
  2. Step 2: Convert to fraction form
    981,725.94/1,472,424.89 = 271,825.74/x
  3. Step 3: Cross multiply
    981,725.94x = 1,472,424.89 × 271,825.74
  4. Step 4: Simplify right side
    981,725.94x = 400,242,983,959.54
  5. Step 5: Solve for x
    x = 400,242,983,959.54/981,725.94
  6. Step 6: Final answer
    x = 407,693.19

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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.