Home / 787,278.30-1,181,104.85-254,799.33

Finding the Fourth Proportional to 787,278.30, 1,181,104.85 and 254,799.33

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Solution

The fourth proportional to 787,278.30, 1,181,104.85 and 254,799.33 is: 382,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,278.30 : 1,181,104.85 = 254,799.33 : x
  2. Step 2: Convert to fraction form
    787,278.30/1,181,104.85 = 254,799.33/x
  3. Step 3: Cross multiply
    787,278.30x = 1,181,104.85 × 254,799.33
  4. Step 4: Simplify right side
    787,278.30x = 300,944,724,439.75
  5. Step 5: Solve for x
    x = 300,944,724,439.75/787,278.30
  6. Step 6: Final answer
    x = 382,259.65

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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.