Home / 629,452.71-868,620.36-342,974.94

Finding the Fourth Proportional to 629,452.71, 868,620.36 and 342,974.94

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Solution

The fourth proportional to 629,452.71, 868,620.36 and 342,974.94 is: 473,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,452.71 : 868,620.36 = 342,974.94 : x
  2. Step 2: Convert to fraction form
    629,452.71/868,620.36 = 342,974.94/x
  3. Step 3: Cross multiply
    629,452.71x = 868,620.36 × 342,974.94
  4. Step 4: Simplify right side
    629,452.71x = 297,915,015,853.78
  5. Step 5: Solve for x
    x = 297,915,015,853.78/629,452.71
  6. Step 6: Final answer
    x = 473,292.13

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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.