Home / 629,125.92-868,189.32-342,645.12

Finding the Fourth Proportional to 629,125.92, 868,189.32 and 342,645.12

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Solution

The fourth proportional to 629,125.92, 868,189.32 and 342,645.12 is: 472,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,125.92 : 868,189.32 = 342,645.12 : x
  2. Step 2: Convert to fraction form
    629,125.92/868,189.32 = 342,645.12/x
  3. Step 3: Cross multiply
    629,125.92x = 868,189.32 × 342,645.12
  4. Step 4: Simplify right side
    629,125.92x = 297,480,833,734.12
  5. Step 5: Solve for x
    x = 297,480,833,734.12/629,125.92
  6. Step 6: Final answer
    x = 472,847.84

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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.