Home / 775,611.72-1,163,408.94-302,629.32

Finding the Fourth Proportional to 775,611.72, 1,163,408.94 and 302,629.32

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Solution

The fourth proportional to 775,611.72, 1,163,408.94 and 302,629.32 is: 453,940.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,611.72 : 1,163,408.94 = 302,629.32 : x
  2. Step 2: Convert to fraction form
    775,611.72/1,163,408.94 = 302,629.32/x
  3. Step 3: Cross multiply
    775,611.72x = 1,163,408.94 × 302,629.32
  4. Step 4: Simplify right side
    775,611.72x = 352,081,656,394.12
  5. Step 5: Solve for x
    x = 352,081,656,394.12/775,611.72
  6. Step 6: Final answer
    x = 453,940.61

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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.