Home / 902,192.38-1,245,006.42-494,274.34

Finding the Fourth Proportional to 902,192.38, 1,245,006.42 and 494,274.34

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Solution

The fourth proportional to 902,192.38, 1,245,006.42 and 494,274.34 is: 682,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,192.38 : 1,245,006.42 = 494,274.34 : x
  2. Step 2: Convert to fraction form
    902,192.38/1,245,006.42 = 494,274.34/x
  3. Step 3: Cross multiply
    902,192.38x = 1,245,006.42 × 494,274.34
  4. Step 4: Simplify right side
    902,192.38x = 615,374,726,541.26
  5. Step 5: Solve for x
    x = 615,374,726,541.26/902,192.38
  6. Step 6: Final answer
    x = 682,088.14

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1.5x scale

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.