Home / 677,485.44-1,016,324.83-221,979.26

Finding the Fourth Proportional to 677,485.44, 1,016,324.83 and 221,979.26

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Solution

The fourth proportional to 677,485.44, 1,016,324.83 and 221,979.26 is: 333,000.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,485.44 : 1,016,324.83 = 221,979.26 : x
  2. Step 2: Convert to fraction form
    677,485.44/1,016,324.83 = 221,979.26/x
  3. Step 3: Cross multiply
    677,485.44x = 1,016,324.83 × 221,979.26
  4. Step 4: Simplify right side
    677,485.44x = 225,603,028,046.45
  5. Step 5: Solve for x
    x = 225,603,028,046.45/677,485.44
  6. Step 6: Final answer
    x = 333,000.56

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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.