Home / 548,150.20-821,569.20-281,773.60

Finding the Fourth Proportional to 548,150.20, 821,569.20 and 281,773.60

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Solution

The fourth proportional to 548,150.20, 821,569.20 and 281,773.60 is: 422,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,150.20 : 821,569.20 = 281,773.60 : x
  2. Step 2: Convert to fraction form
    548,150.20/821,569.20 = 281,773.60/x
  3. Step 3: Cross multiply
    548,150.20x = 821,569.20 × 281,773.60
  4. Step 4: Simplify right side
    548,150.20x = 231,496,511,133.12
  5. Step 5: Solve for x
    x = 231,496,511,133.12/548,150.20
  6. Step 6: Final answer
    x = 422,323.14

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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.