Home / 844,979.57-1,267,470.30-213,893.39

Finding the Fourth Proportional to 844,979.57, 1,267,470.30 and 213,893.39

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Solution

The fourth proportional to 844,979.57, 1,267,470.30 and 213,893.39 is: 320,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,979.57 : 1,267,470.30 = 213,893.39 : x
  2. Step 2: Convert to fraction form
    844,979.57/1,267,470.30 = 213,893.39/x
  3. Step 3: Cross multiply
    844,979.57x = 1,267,470.30 × 213,893.39
  4. Step 4: Simplify right side
    844,979.57x = 271,103,519,191.32
  5. Step 5: Solve for x
    x = 271,103,519,191.32/844,979.57
  6. Step 6: Final answer
    x = 320,840.32

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.