Home / 941,081.58-1,298,690.13-511,361.75

Finding the Fourth Proportional to 941,081.58, 1,298,690.13 and 511,361.75

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Solution

The fourth proportional to 941,081.58, 1,298,690.13 and 511,361.75 is: 705,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,081.58 : 1,298,690.13 = 511,361.75 : x
  2. Step 2: Convert to fraction form
    941,081.58/1,298,690.13 = 511,361.75/x
  3. Step 3: Cross multiply
    941,081.58x = 1,298,690.13 × 511,361.75
  4. Step 4: Simplify right side
    941,081.58x = 664,100,451,091.08
  5. Step 5: Solve for x
    x = 664,100,451,091.08/941,081.58
  6. Step 6: Final answer
    x = 705,677.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.