Home / 778,958.91-1,074,960.61-434,791.85

Finding the Fourth Proportional to 778,958.91, 1,074,960.61 and 434,791.85

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Solution

The fourth proportional to 778,958.91, 1,074,960.61 and 434,791.85 is: 600,011.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,958.91 : 1,074,960.61 = 434,791.85 : x
  2. Step 2: Convert to fraction form
    778,958.91/1,074,960.61 = 434,791.85/x
  3. Step 3: Cross multiply
    778,958.91x = 1,074,960.61 × 434,791.85
  4. Step 4: Simplify right side
    778,958.91x = 467,384,112,299.03
  5. Step 5: Solve for x
    x = 467,384,112,299.03/778,958.91
  6. Step 6: Final answer
    x = 600,011.26

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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.