Home / 672,268.33-1,007,639.77-419,661.63

Finding the Fourth Proportional to 672,268.33, 1,007,639.77 and 419,661.63

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Solution

The fourth proportional to 672,268.33, 1,007,639.77 and 419,661.63 is: 629,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,268.33 : 1,007,639.77 = 419,661.63 : x
  2. Step 2: Convert to fraction form
    672,268.33/1,007,639.77 = 419,661.63/x
  3. Step 3: Cross multiply
    672,268.33x = 1,007,639.77 × 419,661.63
  4. Step 4: Simplify right side
    672,268.33x = 422,867,746,232.72
  5. Step 5: Solve for x
    x = 422,867,746,232.72/672,268.33
  6. Step 6: Final answer
    x = 629,016.32

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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.