Home / 629,238.77-868,345.04-342,758.85

Finding the Fourth Proportional to 629,238.77, 868,345.04 and 342,758.85

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Solution

The fourth proportional to 629,238.77, 868,345.04 and 342,758.85 is: 473,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,238.77 : 868,345.04 = 342,758.85 : x
  2. Step 2: Convert to fraction form
    629,238.77/868,345.04 = 342,758.85/x
  3. Step 3: Cross multiply
    629,238.77x = 868,345.04 × 342,758.85
  4. Step 4: Simplify right side
    629,238.77x = 297,632,947,313.60
  5. Step 5: Solve for x
    x = 297,632,947,313.60/629,238.77
  6. Step 6: Final answer
    x = 473,004.78

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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.