Home / 902,180.42-1,245,008.95-494,297.73

Finding the Fourth Proportional to 902,180.42, 1,245,008.95 and 494,297.73

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Solution

The fourth proportional to 902,180.42, 1,245,008.95 and 494,297.73 is: 682,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,180.42 : 1,245,008.95 = 494,297.73 : x
  2. Step 2: Convert to fraction form
    902,180.42/1,245,008.95 = 494,297.73/x
  3. Step 3: Cross multiply
    902,180.42x = 1,245,008.95 × 494,297.73
  4. Step 4: Simplify right side
    902,180.42x = 615,405,103,101.34
  5. Step 5: Solve for x
    x = 615,405,103,101.34/902,180.42
  6. Step 6: Final answer
    x = 682,130.86

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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.