Home / 502,869.80-693,960.33-276,515.30

Finding the Fourth Proportional to 502,869.80, 693,960.33 and 276,515.30

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Solution

The fourth proportional to 502,869.80, 693,960.33 and 276,515.30 is: 381,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,869.80 : 693,960.33 = 276,515.30 : x
  2. Step 2: Convert to fraction form
    502,869.80/693,960.33 = 276,515.30/x
  3. Step 3: Cross multiply
    502,869.80x = 693,960.33 × 276,515.30
  4. Step 4: Simplify right side
    502,869.80x = 191,890,651,609.88
  5. Step 5: Solve for x
    x = 191,890,651,609.88/502,869.80
  6. Step 6: Final answer
    x = 381,591.12

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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.