Home / 401,790.58-554,469.26-220,505.44

Finding the Fourth Proportional to 401,790.58, 554,469.26 and 220,505.44

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Solution

The fourth proportional to 401,790.58, 554,469.26 and 220,505.44 is: 304,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,790.58 : 554,469.26 = 220,505.44 : x
  2. Step 2: Convert to fraction form
    401,790.58/554,469.26 = 220,505.44/x
  3. Step 3: Cross multiply
    401,790.58x = 554,469.26 × 220,505.44
  4. Step 4: Simplify right side
    401,790.58x = 122,263,488,142.77
  5. Step 5: Solve for x
    x = 122,263,488,142.77/401,790.58
  6. Step 6: Final answer
    x = 304,296.55

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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.