Home / 728,563.37-1,092,183.45-254,990.39

Finding the Fourth Proportional to 728,563.37, 1,092,183.45 and 254,990.39

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Solution

The fourth proportional to 728,563.37, 1,092,183.45 and 254,990.39 is: 382,254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,563.37 : 1,092,183.45 = 254,990.39 : x
  2. Step 2: Convert to fraction form
    728,563.37/1,092,183.45 = 254,990.39/x
  3. Step 3: Cross multiply
    728,563.37x = 1,092,183.45 × 254,990.39
  4. Step 4: Simplify right side
    728,563.37x = 278,496,278,406.13
  5. Step 5: Solve for x
    x = 278,496,278,406.13/728,563.37
  6. Step 6: Final answer
    x = 382,254.02

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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.