Home / 902,106.66-1,244,908.74-494,199.60

Finding the Fourth Proportional to 902,106.66, 1,244,908.74 and 494,199.60

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Solution

The fourth proportional to 902,106.66, 1,244,908.74 and 494,199.60 is: 681,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,106.66 : 1,244,908.74 = 494,199.60 : x
  2. Step 2: Convert to fraction form
    902,106.66/1,244,908.74 = 494,199.60/x
  3. Step 3: Cross multiply
    902,106.66x = 1,244,908.74 × 494,199.60
  4. Step 4: Simplify right side
    902,106.66x = 615,233,401,344.50
  5. Step 5: Solve for x
    x = 615,233,401,344.50/902,106.66
  6. Step 6: Final answer
    x = 681,996.30

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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.