Home / 502,990.48-694,115.40-276,639.76

Finding the Fourth Proportional to 502,990.48, 694,115.40 and 276,639.76

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Solution

The fourth proportional to 502,990.48, 694,115.40 and 276,639.76 is: 381,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,990.48 : 694,115.40 = 276,639.76 : x
  2. Step 2: Convert to fraction form
    502,990.48/694,115.40 = 276,639.76/x
  3. Step 3: Cross multiply
    502,990.48x = 694,115.40 × 276,639.76
  4. Step 4: Simplify right side
    502,990.48x = 192,019,917,668.30
  5. Step 5: Solve for x
    x = 192,019,917,668.30/502,990.48
  6. Step 6: Final answer
    x = 381,756.56

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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.