Home / 774,028.44-1,161,485.64-300,652.56

Finding the Fourth Proportional to 774,028.44, 1,161,485.64 and 300,652.56

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Solution

The fourth proportional to 774,028.44, 1,161,485.64 and 300,652.56 is: 451,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,028.44 : 1,161,485.64 = 300,652.56 : x
  2. Step 2: Convert to fraction form
    774,028.44/1,161,485.64 = 300,652.56/x
  3. Step 3: Cross multiply
    774,028.44x = 1,161,485.64 × 300,652.56
  4. Step 4: Simplify right side
    774,028.44x = 349,203,631,069.24
  5. Step 5: Solve for x
    x = 349,203,631,069.24/774,028.44
  6. Step 6: Final answer
    x = 451,150.90

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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.