Home / 787,278.57-1,181,105.25-254,799.60

Finding the Fourth Proportional to 787,278.57, 1,181,105.25 and 254,799.60

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Solution

The fourth proportional to 787,278.57, 1,181,105.25 and 254,799.60 is: 382,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,278.57 : 1,181,105.25 = 254,799.60 : x
  2. Step 2: Convert to fraction form
    787,278.57/1,181,105.25 = 254,799.60/x
  3. Step 3: Cross multiply
    787,278.57x = 1,181,105.25 × 254,799.60
  4. Step 4: Simplify right side
    787,278.57x = 300,945,145,257.90
  5. Step 5: Solve for x
    x = 300,945,145,257.90/787,278.57
  6. Step 6: Final answer
    x = 382,260.05

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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.