Home / 902,451.36-1,245,381.72-494,578.80

Finding the Fourth Proportional to 902,451.36, 1,245,381.72 and 494,578.80

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Solution

The fourth proportional to 902,451.36, 1,245,381.72 and 494,578.80 is: 682,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,451.36 : 1,245,381.72 = 494,578.80 : x
  2. Step 2: Convert to fraction form
    902,451.36/1,245,381.72 = 494,578.80/x
  3. Step 3: Cross multiply
    902,451.36x = 1,245,381.72 × 494,578.80
  4. Step 4: Simplify right side
    902,451.36x = 615,939,396,619.54
  5. Step 5: Solve for x
    x = 615,939,396,619.54/902,451.36
  6. Step 6: Final answer
    x = 682,518.11

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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.