Home / 850,695.59-1,276,067.97-318,114.92

Finding the Fourth Proportional to 850,695.59, 1,276,067.97 and 318,114.92

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Solution

The fourth proportional to 850,695.59, 1,276,067.97 and 318,114.92 is: 477,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,695.59 : 1,276,067.97 = 318,114.92 : x
  2. Step 2: Convert to fraction form
    850,695.59/1,276,067.97 = 318,114.92/x
  3. Step 3: Cross multiply
    850,695.59x = 1,276,067.97 × 318,114.92
  4. Step 4: Simplify right side
    850,695.59x = 405,936,260,191.11
  5. Step 5: Solve for x
    x = 405,936,260,191.11/850,695.59
  6. Step 6: Final answer
    x = 477,181.57

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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.