Home / 674,005.38-1,010,288.76-336,381.18

Finding the Fourth Proportional to 674,005.38, 1,010,288.76 and 336,381.18

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Solution

The fourth proportional to 674,005.38, 1,010,288.76 and 336,381.18 is: 504,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,005.38 : 1,010,288.76 = 336,381.18 : x
  2. Step 2: Convert to fraction form
    674,005.38/1,010,288.76 = 336,381.18/x
  3. Step 3: Cross multiply
    674,005.38x = 1,010,288.76 × 336,381.18
  4. Step 4: Simplify right side
    674,005.38x = 339,842,125,229.54
  5. Step 5: Solve for x
    x = 339,842,125,229.54/674,005.38
  6. Step 6: Final answer
    x = 504,212.78

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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.