Home / 881,036.97-1,321,720.85-281,837.25

Finding the Fourth Proportional to 881,036.97, 1,321,720.85 and 281,837.25

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Solution

The fourth proportional to 881,036.97, 1,321,720.85 and 281,837.25 is: 422,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,036.97 : 1,321,720.85 = 281,837.25 : x
  2. Step 2: Convert to fraction form
    881,036.97/1,321,720.85 = 281,837.25/x
  3. Step 3: Cross multiply
    881,036.97x = 1,321,720.85 × 281,837.25
  4. Step 4: Simplify right side
    881,036.97x = 372,510,167,015.26
  5. Step 5: Solve for x
    x = 372,510,167,015.26/881,036.97
  6. Step 6: Final answer
    x = 422,808.78

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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.