Home / 629,313.57-868,451.22-342,836.01

Finding the Fourth Proportional to 629,313.57, 868,451.22 and 342,836.01

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Solution

The fourth proportional to 629,313.57, 868,451.22 and 342,836.01 is: 473,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,313.57 : 868,451.22 = 342,836.01 : x
  2. Step 2: Convert to fraction form
    629,313.57/868,451.22 = 342,836.01/x
  3. Step 3: Cross multiply
    629,313.57x = 868,451.22 × 342,836.01
  4. Step 4: Simplify right side
    629,313.57x = 297,736,351,144.43
  5. Step 5: Solve for x
    x = 297,736,351,144.43/629,313.57
  6. Step 6: Final answer
    x = 473,112.87

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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.