Home / 728,558.36-1,092,175.96-254,985.38

Finding the Fourth Proportional to 728,558.36, 1,092,175.96 and 254,985.38

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Solution

The fourth proportional to 728,558.36, 1,092,175.96 and 254,985.38 is: 382,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,558.36 : 1,092,175.96 = 254,985.38 : x
  2. Step 2: Convert to fraction form
    728,558.36/1,092,175.96 = 254,985.38/x
  3. Step 3: Cross multiply
    728,558.36x = 1,092,175.96 × 254,985.38
  4. Step 4: Simplify right side
    728,558.36x = 278,488,902,187.47
  5. Step 5: Solve for x
    x = 278,488,902,187.47/728,558.36
  6. Step 6: Final answer
    x = 382,246.53

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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.