Home / 502,785.28-693,825.96-276,429.04

Finding the Fourth Proportional to 502,785.28, 693,825.96 and 276,429.04

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Solution

The fourth proportional to 502,785.28, 693,825.96 and 276,429.04 is: 381,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,785.28 : 693,825.96 = 276,429.04 : x
  2. Step 2: Convert to fraction form
    502,785.28/693,825.96 = 276,429.04/x
  3. Step 3: Cross multiply
    502,785.28x = 693,825.96 × 276,429.04
  4. Step 4: Simplify right side
    502,785.28x = 191,793,644,049.88
  5. Step 5: Solve for x
    x = 191,793,644,049.88/502,785.28
  6. Step 6: Final answer
    x = 381,462.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.