Home / 401,789.58-554,467.88-220,504.44

Finding the Fourth Proportional to 401,789.58, 554,467.88 and 220,504.44

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Solution

The fourth proportional to 401,789.58, 554,467.88 and 220,504.44 is: 304,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,789.58 : 554,467.88 = 220,504.44 : x
  2. Step 2: Convert to fraction form
    401,789.58/554,467.88 = 220,504.44/x
  3. Step 3: Cross multiply
    401,789.58x = 554,467.88 × 220,504.44
  4. Step 4: Simplify right side
    401,789.58x = 122,262,629,928.65
  5. Step 5: Solve for x
    x = 122,262,629,928.65/401,789.58
  6. Step 6: Final answer
    x = 304,295.17

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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.