Home / 800,111.72-1,200,286.96-294,633.86

Finding the Fourth Proportional to 800,111.72, 1,200,286.96 and 294,633.86

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Solution

The fourth proportional to 800,111.72, 1,200,286.96 and 294,633.86 is: 441,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,111.72 : 1,200,286.96 = 294,633.86 : x
  2. Step 2: Convert to fraction form
    800,111.72/1,200,286.96 = 294,633.86/x
  3. Step 3: Cross multiply
    800,111.72x = 1,200,286.96 × 294,633.86
  4. Step 4: Simplify right side
    800,111.72x = 353,645,173,394.45
  5. Step 5: Solve for x
    x = 353,645,173,394.45/800,111.72
  6. Step 6: Final answer
    x = 441,994.74

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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.