Home / 792,080.40-1,188,120.60-259,618.80

Finding the Fourth Proportional to 792,080.40, 1,188,120.60 and 259,618.80

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Solution

The fourth proportional to 792,080.40, 1,188,120.60 and 259,618.80 is: 389,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,080.40 : 1,188,120.60 = 259,618.80 : x
  2. Step 2: Convert to fraction form
    792,080.40/1,188,120.60 = 259,618.80/x
  3. Step 3: Cross multiply
    792,080.40x = 1,188,120.60 × 259,618.80
  4. Step 4: Simplify right side
    792,080.40x = 308,458,444,427.28
  5. Step 5: Solve for x
    x = 308,458,444,427.28/792,080.40
  6. Step 6: Final answer
    x = 389,428.20

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1.5x scale

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.