Home / 669,969.87-1,004,738.82-220,583.73

Finding the Fourth Proportional to 669,969.87, 1,004,738.82 and 220,583.73

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Solution

The fourth proportional to 669,969.87, 1,004,738.82 and 220,583.73 is: 330,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,969.87 : 1,004,738.82 = 220,583.73 : x
  2. Step 2: Convert to fraction form
    669,969.87/1,004,738.82 = 220,583.73/x
  3. Step 3: Cross multiply
    669,969.87x = 1,004,738.82 × 220,583.73
  4. Step 4: Simplify right side
    669,969.87x = 221,629,036,591.40
  5. Step 5: Solve for x
    x = 221,629,036,591.40/669,969.87
  6. Step 6: Final answer
    x = 330,804.48

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1.5x scale

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.