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Finding the Fourth Proportional to 483,894.60, 725,185.80 and 323,514.60

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Solution

The fourth proportional to 483,894.60, 725,185.80 and 323,514.60 is: 484,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,894.60 : 725,185.80 = 323,514.60 : x
  2. Step 2: Convert to fraction form
    483,894.60/725,185.80 = 323,514.60/x
  3. Step 3: Cross multiply
    483,894.60x = 725,185.80 × 323,514.60
  4. Step 4: Simplify right side
    483,894.60x = 234,608,194,012.68
  5. Step 5: Solve for x
    x = 234,608,194,012.68/483,894.60
  6. Step 6: Final answer
    x = 484,833.26

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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.