Home / 815,924.94-1,223,887.19-254,959.44

Finding the Fourth Proportional to 815,924.94, 1,223,887.19 and 254,959.44

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Solution

The fourth proportional to 815,924.94, 1,223,887.19 and 254,959.44 is: 382,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,924.94 : 1,223,887.19 = 254,959.44 : x
  2. Step 2: Convert to fraction form
    815,924.94/1,223,887.19 = 254,959.44/x
  3. Step 3: Cross multiply
    815,924.94x = 1,223,887.19 × 254,959.44
  4. Step 4: Simplify right side
    815,924.94x = 312,041,591,310.78
  5. Step 5: Solve for x
    x = 312,041,591,310.78/815,924.94
  6. Step 6: Final answer
    x = 382,439.09

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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.