Home / 627,621.28-941,832.87-228,224.05

Finding the Fourth Proportional to 627,621.28, 941,832.87 and 228,224.05

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Solution

The fourth proportional to 627,621.28, 941,832.87 and 228,224.05 is: 342,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,621.28 : 941,832.87 = 228,224.05 : x
  2. Step 2: Convert to fraction form
    627,621.28/941,832.87 = 228,224.05/x
  3. Step 3: Cross multiply
    627,621.28x = 941,832.87 × 228,224.05
  4. Step 4: Simplify right side
    627,621.28x = 214,948,912,014.52
  5. Step 5: Solve for x
    x = 214,948,912,014.52/627,621.28
  6. Step 6: Final answer
    x = 342,481.87

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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.