Home / 627,620.28-941,831.37-228,223.05

Finding the Fourth Proportional to 627,620.28, 941,831.37 and 228,223.05

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Solution

The fourth proportional to 627,620.28, 941,831.37 and 228,223.05 is: 342,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,620.28 : 941,831.37 = 228,223.05 : x
  2. Step 2: Convert to fraction form
    627,620.28/941,831.37 = 228,223.05/x
  3. Step 3: Cross multiply
    627,620.28x = 941,831.37 × 228,223.05
  4. Step 4: Simplify right side
    627,620.28x = 214,947,627,847.08
  5. Step 5: Solve for x
    x = 214,947,627,847.08/627,620.28
  6. Step 6: Final answer
    x = 342,480.37

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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.