Home / 925,692.55-1,388,039.55-419,977.60

Finding the Fourth Proportional to 925,692.55, 1,388,039.55 and 419,977.60

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Solution

The fourth proportional to 925,692.55, 1,388,039.55 and 419,977.60 is: 629,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,692.55 : 1,388,039.55 = 419,977.60 : x
  2. Step 2: Convert to fraction form
    925,692.55/1,388,039.55 = 419,977.60/x
  3. Step 3: Cross multiply
    925,692.55x = 1,388,039.55 × 419,977.60
  4. Step 4: Simplify right side
    925,692.55x = 582,945,515,443.98
  5. Step 5: Solve for x
    x = 582,945,515,443.98/925,692.55
  6. Step 6: Final answer
    x = 629,739.88

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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.