Home / 981,724.84-1,472,423.23-271,824.64

Finding the Fourth Proportional to 981,724.84, 1,472,423.23 and 271,824.64

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Solution

The fourth proportional to 981,724.84, 1,472,423.23 and 271,824.64 is: 407,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,724.84 : 1,472,423.23 = 271,824.64 : x
  2. Step 2: Convert to fraction form
    981,724.84/1,472,423.23 = 271,824.64/x
  3. Step 3: Cross multiply
    981,724.84x = 1,472,423.23 × 271,824.64
  4. Step 4: Simplify right side
    981,724.84x = 400,240,911,081.11
  5. Step 5: Solve for x
    x = 400,240,911,081.11/981,724.84
  6. Step 6: Final answer
    x = 407,691.54

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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.