Home / 855,759.26-1,181,072.15-493,112.54

Finding the Fourth Proportional to 855,759.26, 1,181,072.15 and 493,112.54

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Solution

The fourth proportional to 855,759.26, 1,181,072.15 and 493,112.54 is: 680,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,759.26 : 1,181,072.15 = 493,112.54 : x
  2. Step 2: Convert to fraction form
    855,759.26/1,181,072.15 = 493,112.54/x
  3. Step 3: Cross multiply
    855,759.26x = 1,181,072.15 × 493,112.54
  4. Step 4: Simplify right side
    855,759.26x = 582,401,487,809.76
  5. Step 5: Solve for x
    x = 582,401,487,809.76/855,759.26
  6. Step 6: Final answer
    x = 680,566.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.