Home / 809,427.26-1,117,002.94-446,843.39

Finding the Fourth Proportional to 809,427.26, 1,117,002.94 and 446,843.39

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Solution

The fourth proportional to 809,427.26, 1,117,002.94 and 446,843.39 is: 616,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,427.26 : 1,117,002.94 = 446,843.39 : x
  2. Step 2: Convert to fraction form
    809,427.26/1,117,002.94 = 446,843.39/x
  3. Step 3: Cross multiply
    809,427.26x = 1,117,002.94 × 446,843.39
  4. Step 4: Simplify right side
    809,427.26x = 499,125,379,930.59
  5. Step 5: Solve for x
    x = 499,125,379,930.59/809,427.26
  6. Step 6: Final answer
    x = 616,640.19

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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.