Home / 902,180.34-1,245,008.84-494,297.66

Finding the Fourth Proportional to 902,180.34, 1,245,008.84 and 494,297.66

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Solution

The fourth proportional to 902,180.34, 1,245,008.84 and 494,297.66 is: 682,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,180.34 : 1,245,008.84 = 494,297.66 : x
  2. Step 2: Convert to fraction form
    902,180.34/1,245,008.84 = 494,297.66/x
  3. Step 3: Cross multiply
    902,180.34x = 1,245,008.84 × 494,297.66
  4. Step 4: Simplify right side
    902,180.34x = 615,404,956,291.32
  5. Step 5: Solve for x
    x = 615,404,956,291.32/902,180.34
  6. Step 6: Final answer
    x = 682,130.75

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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.