Home / 629,106.57-868,176.96-342,626.43

Finding the Fourth Proportional to 629,106.57, 868,176.96 and 342,626.43

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Solution

The fourth proportional to 629,106.57, 868,176.96 and 342,626.43 is: 472,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,106.57 : 868,176.96 = 342,626.43 : x
  2. Step 2: Convert to fraction form
    629,106.57/868,176.96 = 342,626.43/x
  3. Step 3: Cross multiply
    629,106.57x = 868,176.96 × 342,626.43
  4. Step 4: Simplify right side
    629,106.57x = 297,460,372,413.05
  5. Step 5: Solve for x
    x = 297,460,372,413.05/629,106.57
  6. Step 6: Final answer
    x = 472,829.86

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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.