Home / 902,017.96-1,244,740.36-494,121.56

Finding the Fourth Proportional to 902,017.96, 1,244,740.36 and 494,121.56

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Solution

The fourth proportional to 902,017.96, 1,244,740.36 and 494,121.56 is: 681,863.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,017.96 : 1,244,740.36 = 494,121.56 : x
  2. Step 2: Convert to fraction form
    902,017.96/1,244,740.36 = 494,121.56/x
  3. Step 3: Cross multiply
    902,017.96x = 1,244,740.36 × 494,121.56
  4. Step 4: Simplify right side
    902,017.96x = 615,053,048,478.16
  5. Step 5: Solve for x
    x = 615,053,048,478.16/902,017.96
  6. Step 6: Final answer
    x = 681,863.42

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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.