Home / 629,310.70-868,450.35-342,832.87

Finding the Fourth Proportional to 629,310.70, 868,450.35 and 342,832.87

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Solution

The fourth proportional to 629,310.70, 868,450.35 and 342,832.87 is: 473,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,310.70 : 868,450.35 = 342,832.87 : x
  2. Step 2: Convert to fraction form
    629,310.70/868,450.35 = 342,832.87/x
  3. Step 3: Cross multiply
    629,310.70x = 868,450.35 × 342,832.87
  4. Step 4: Simplify right side
    629,310.70x = 297,733,325,943.01
  5. Step 5: Solve for x
    x = 297,733,325,943.01/629,310.70
  6. Step 6: Final answer
    x = 473,110.22

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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.