Home / 902,180.23-1,245,008.69-494,297.54

Finding the Fourth Proportional to 902,180.23, 1,245,008.69 and 494,297.54

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Solution

The fourth proportional to 902,180.23, 1,245,008.69 and 494,297.54 is: 682,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,180.23 : 1,245,008.69 = 494,297.54 : x
  2. Step 2: Convert to fraction form
    902,180.23/1,245,008.69 = 494,297.54/x
  3. Step 3: Cross multiply
    902,180.23x = 1,245,008.69 × 494,297.54
  4. Step 4: Simplify right side
    902,180.23x = 615,404,740,355.09
  5. Step 5: Solve for x
    x = 615,404,740,355.09/902,180.23
  6. Step 6: Final answer
    x = 682,130.60

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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.