Home / 902,176.74-1,245,003.21-494,304.03

Finding the Fourth Proportional to 902,176.74, 1,245,003.21 and 494,304.03

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Solution

The fourth proportional to 902,176.74, 1,245,003.21 and 494,304.03 is: 682,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,176.74 : 1,245,003.21 = 494,304.03 : x
  2. Step 2: Convert to fraction form
    902,176.74/1,245,003.21 = 494,304.03/x
  3. Step 3: Cross multiply
    902,176.74x = 1,245,003.21 × 494,304.03
  4. Step 4: Simplify right side
    902,176.74x = 615,410,104,065.94
  5. Step 5: Solve for x
    x = 615,410,104,065.94/902,176.74
  6. Step 6: Final answer
    x = 682,139.18

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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.