Home / 494,911.13-682,979.18-268,556.63

Finding the Fourth Proportional to 494,911.13, 682,979.18 and 268,556.63

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Solution

The fourth proportional to 494,911.13, 682,979.18 and 268,556.63 is: 370,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,911.13 : 682,979.18 = 268,556.63 : x
  2. Step 2: Convert to fraction form
    494,911.13/682,979.18 = 268,556.63/x
  3. Step 3: Cross multiply
    494,911.13x = 682,979.18 × 268,556.63
  4. Step 4: Simplify right side
    494,911.13x = 183,418,582,183.28
  5. Step 5: Solve for x
    x = 183,418,582,183.28/494,911.13
  6. Step 6: Final answer
    x = 370,609.13

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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.