Home / 728,168.88-1,092,308.64-248,247.60

Finding the Fourth Proportional to 728,168.88, 1,092,308.64 and 248,247.60

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Solution

The fourth proportional to 728,168.88, 1,092,308.64 and 248,247.60 is: 372,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,168.88 : 1,092,308.64 = 248,247.60 : x
  2. Step 2: Convert to fraction form
    728,168.88/1,092,308.64 = 248,247.60/x
  3. Step 3: Cross multiply
    728,168.88x = 1,092,308.64 × 248,247.60
  4. Step 4: Simplify right side
    728,168.88x = 271,162,998,339.26
  5. Step 5: Solve for x
    x = 271,162,998,339.26/728,168.88
  6. Step 6: Final answer
    x = 372,390.26

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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.