Home / 756,310.26-1,043,703.18-416,778.78

Finding the Fourth Proportional to 756,310.26, 1,043,703.18 and 416,778.78

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Solution

The fourth proportional to 756,310.26, 1,043,703.18 and 416,778.78 is: 575,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,310.26 : 1,043,703.18 = 416,778.78 : x
  2. Step 2: Convert to fraction form
    756,310.26/1,043,703.18 = 416,778.78/x
  3. Step 3: Cross multiply
    756,310.26x = 1,043,703.18 × 416,778.78
  4. Step 4: Simplify right side
    756,310.26x = 434,993,338,042.52
  5. Step 5: Solve for x
    x = 434,993,338,042.52/756,310.26
  6. Step 6: Final answer
    x = 575,151.97

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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.