Home / 821,718.20-1,232,577.32-222,679.34

Finding the Fourth Proportional to 821,718.20, 1,232,577.32 and 222,679.34

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Solution

The fourth proportional to 821,718.20, 1,232,577.32 and 222,679.34 is: 334,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,718.20 : 1,232,577.32 = 222,679.34 : x
  2. Step 2: Convert to fraction form
    821,718.20/1,232,577.32 = 222,679.34/x
  3. Step 3: Cross multiply
    821,718.20x = 1,232,577.32 × 222,679.34
  4. Step 4: Simplify right side
    821,718.20x = 274,469,504,116.57
  5. Step 5: Solve for x
    x = 274,469,504,116.57/821,718.20
  6. Step 6: Final answer
    x = 334,019.02

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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.