Home / 908,324.43-1,253,488.87-494,859.16

Finding the Fourth Proportional to 908,324.43, 1,253,488.87 and 494,859.16

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Solution

The fourth proportional to 908,324.43, 1,253,488.87 and 494,859.16 is: 682,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,324.43 : 1,253,488.87 = 494,859.16 : x
  2. Step 2: Convert to fraction form
    908,324.43/1,253,488.87 = 494,859.16/x
  3. Step 3: Cross multiply
    908,324.43x = 1,253,488.87 × 494,859.16
  4. Step 4: Simplify right side
    908,324.43x = 620,300,449,277.55
  5. Step 5: Solve for x
    x = 620,300,449,277.55/908,324.43
  6. Step 6: Final answer
    x = 682,906.27

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1.5x scale

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.