Home / 728,103.78-1,092,647.73-254,793.24

Finding the Fourth Proportional to 728,103.78, 1,092,647.73 and 254,793.24

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Solution

The fourth proportional to 728,103.78, 1,092,647.73 and 254,793.24 is: 382,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,103.78 : 1,092,647.73 = 254,793.24 : x
  2. Step 2: Convert to fraction form
    728,103.78/1,092,647.73 = 254,793.24/x
  3. Step 3: Cross multiply
    728,103.78x = 1,092,647.73 × 254,793.24
  4. Step 4: Simplify right side
    728,103.78x = 278,399,255,305.35
  5. Step 5: Solve for x
    x = 278,399,255,305.35/728,103.78
  6. Step 6: Final answer
    x = 382,362.05

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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.