Home / 792,642.26-1,188,713.60-260,039.18

Finding the Fourth Proportional to 792,642.26, 1,188,713.60 and 260,039.18

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Solution

The fourth proportional to 792,642.26, 1,188,713.60 and 260,039.18 is: 389,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,642.26 : 1,188,713.60 = 260,039.18 : x
  2. Step 2: Convert to fraction form
    792,642.26/1,188,713.60 = 260,039.18/x
  3. Step 3: Cross multiply
    792,642.26x = 1,188,713.60 × 260,039.18
  4. Step 4: Simplify right side
    792,642.26x = 309,112,109,798.85
  5. Step 5: Solve for x
    x = 309,112,109,798.85/792,642.26
  6. Step 6: Final answer
    x = 389,976.82

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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.