Home / 855,015.20-1,282,522.80-223,992.80

Finding the Fourth Proportional to 855,015.20, 1,282,522.80 and 223,992.80

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Solution

The fourth proportional to 855,015.20, 1,282,522.80 and 223,992.80 is: 335,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,015.20 : 1,282,522.80 = 223,992.80 : x
  2. Step 2: Convert to fraction form
    855,015.20/1,282,522.80 = 223,992.80/x
  3. Step 3: Cross multiply
    855,015.20x = 1,282,522.80 × 223,992.80
  4. Step 4: Simplify right side
    855,015.20x = 287,275,873,035.84
  5. Step 5: Solve for x
    x = 287,275,873,035.84/855,015.20
  6. Step 6: Final answer
    x = 335,989.20

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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.