Home / 776,245.71-1,163,999.88-270,745.32

Finding the Fourth Proportional to 776,245.71, 1,163,999.88 and 270,745.32

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Solution

The fourth proportional to 776,245.71, 1,163,999.88 and 270,745.32 is: 405,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,245.71 : 1,163,999.88 = 270,745.32 : x
  2. Step 2: Convert to fraction form
    776,245.71/1,163,999.88 = 270,745.32/x
  3. Step 3: Cross multiply
    776,245.71x = 1,163,999.88 × 270,745.32
  4. Step 4: Simplify right side
    776,245.71x = 315,147,519,990.56
  5. Step 5: Solve for x
    x = 315,147,519,990.56/776,245.71
  6. Step 6: Final answer
    x = 405,989.39

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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.