Home / 902,189.70-1,244,963.46-494,290.98

Finding the Fourth Proportional to 902,189.70, 1,244,963.46 and 494,290.98

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Solution

The fourth proportional to 902,189.70, 1,244,963.46 and 494,290.98 is: 682,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,189.70 : 1,244,963.46 = 494,290.98 : x
  2. Step 2: Convert to fraction form
    902,189.70/1,244,963.46 = 494,290.98/x
  3. Step 3: Cross multiply
    902,189.70x = 1,244,963.46 × 494,290.98
  4. Step 4: Simplify right side
    902,189.70x = 615,374,208,707.59
  5. Step 5: Solve for x
    x = 615,374,208,707.59/902,189.70
  6. Step 6: Final answer
    x = 682,089.60

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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.