Home / 481,175.04-663,976.57-287,544.33

Finding the Fourth Proportional to 481,175.04, 663,976.57 and 287,544.33

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Solution

The fourth proportional to 481,175.04, 663,976.57 and 287,544.33 is: 396,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,175.04 : 663,976.57 = 287,544.33 : x
  2. Step 2: Convert to fraction form
    481,175.04/663,976.57 = 287,544.33/x
  3. Step 3: Cross multiply
    481,175.04x = 663,976.57 × 287,544.33
  4. Step 4: Simplify right side
    481,175.04x = 190,922,695,936.98
  5. Step 5: Solve for x
    x = 190,922,695,936.98/481,175.04
  6. Step 6: Final answer
    x = 396,784.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.