Home / 677,232.16-1,015,642.32-203,791.84

Finding the Fourth Proportional to 677,232.16, 1,015,642.32 and 203,791.84

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Solution

The fourth proportional to 677,232.16, 1,015,642.32 and 203,791.84 is: 305,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,232.16 : 1,015,642.32 = 203,791.84 : x
  2. Step 2: Convert to fraction form
    677,232.16/1,015,642.32 = 203,791.84/x
  3. Step 3: Cross multiply
    677,232.16x = 1,015,642.32 × 203,791.84
  4. Step 4: Simplify right side
    677,232.16x = 206,979,617,174.67
  5. Step 5: Solve for x
    x = 206,979,617,174.67/677,232.16
  6. Step 6: Final answer
    x = 305,625.79

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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.