Home / 902,181.74-1,245,010.77-494,299.05

Finding the Fourth Proportional to 902,181.74, 1,245,010.77 and 494,299.05

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Solution

The fourth proportional to 902,181.74, 1,245,010.77 and 494,299.05 is: 682,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,181.74 : 1,245,010.77 = 494,299.05 : x
  2. Step 2: Convert to fraction form
    902,181.74/1,245,010.77 = 494,299.05/x
  3. Step 3: Cross multiply
    902,181.74x = 1,245,010.77 × 494,299.05
  4. Step 4: Simplify right side
    902,181.74x = 615,407,640,850.77
  5. Step 5: Solve for x
    x = 615,407,640,850.77/902,181.74
  6. Step 6: Final answer
    x = 682,132.68

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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.