Home / 902,443.36-1,245,344.88-494,540.32

Finding the Fourth Proportional to 902,443.36, 1,245,344.88 and 494,540.32

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Solution

The fourth proportional to 902,443.36, 1,245,344.88 and 494,540.32 is: 682,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,443.36 : 1,245,344.88 = 494,540.32 : x
  2. Step 2: Convert to fraction form
    902,443.36/1,245,344.88 = 494,540.32/x
  3. Step 3: Cross multiply
    902,443.36x = 1,245,344.88 × 494,540.32
  4. Step 4: Simplify right side
    902,443.36x = 615,873,255,465.56
  5. Step 5: Solve for x
    x = 615,873,255,465.56/902,443.36
  6. Step 6: Final answer
    x = 682,450.87

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Double scale
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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.