Home / 821,169.44-1,231,788.11-281,796.47

Finding the Fourth Proportional to 821,169.44, 1,231,788.11 and 281,796.47

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Solution

The fourth proportional to 821,169.44, 1,231,788.11 and 281,796.47 is: 422,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,169.44 : 1,231,788.11 = 281,796.47 : x
  2. Step 2: Convert to fraction form
    821,169.44/1,231,788.11 = 281,796.47/x
  3. Step 3: Cross multiply
    821,169.44x = 1,231,788.11 × 281,796.47
  4. Step 4: Simplify right side
    821,169.44x = 347,113,539,822.36
  5. Step 5: Solve for x
    x = 347,113,539,822.36/821,169.44
  6. Step 6: Final answer
    x = 422,706.35

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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.