Home / 809,677.24-1,213,186.53-276,907.60

Finding the Fourth Proportional to 809,677.24, 1,213,186.53 and 276,907.60

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Solution

The fourth proportional to 809,677.24, 1,213,186.53 and 276,907.60 is: 414,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,677.24 : 1,213,186.53 = 276,907.60 : x
  2. Step 2: Convert to fraction form
    809,677.24/1,213,186.53 = 276,907.60/x
  3. Step 3: Cross multiply
    809,677.24x = 1,213,186.53 × 276,907.60
  4. Step 4: Simplify right side
    809,677.24x = 335,940,570,374.63
  5. Step 5: Solve for x
    x = 335,940,570,374.63/809,677.24
  6. Step 6: Final answer
    x = 414,906.77

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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.