Home / 792,775.32-1,189,344.68-343,571.60

Finding the Fourth Proportional to 792,775.32, 1,189,344.68 and 343,571.60

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Solution

The fourth proportional to 792,775.32, 1,189,344.68 and 343,571.60 is: 515,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,775.32 : 1,189,344.68 = 343,571.60 : x
  2. Step 2: Convert to fraction form
    792,775.32/1,189,344.68 = 343,571.60/x
  3. Step 3: Cross multiply
    792,775.32x = 1,189,344.68 × 343,571.60
  4. Step 4: Simplify right side
    792,775.32x = 408,625,054,659.09
  5. Step 5: Solve for x
    x = 408,625,054,659.09/792,775.32
  6. Step 6: Final answer
    x = 515,436.14

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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.