Home / 772,255.87-1,158,371.39-239,777.42

Finding the Fourth Proportional to 772,255.87, 1,158,371.39 and 239,777.42

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Solution

The fourth proportional to 772,255.87, 1,158,371.39 and 239,777.42 is: 359,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,255.87 : 1,158,371.39 = 239,777.42 : x
  2. Step 2: Convert to fraction form
    772,255.87/1,158,371.39 = 239,777.42/x
  3. Step 3: Cross multiply
    772,255.87x = 1,158,371.39 × 239,777.42
  4. Step 4: Simplify right side
    772,255.87x = 277,751,298,103.60
  5. Step 5: Solve for x
    x = 277,751,298,103.60/772,255.87
  6. Step 6: Final answer
    x = 359,662.27

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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.