Home / 787,371.03-1,181,243.66-254,891.81

Finding the Fourth Proportional to 787,371.03, 1,181,243.66 and 254,891.81

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Solution

The fourth proportional to 787,371.03, 1,181,243.66 and 254,891.81 is: 382,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,371.03 : 1,181,243.66 = 254,891.81 : x
  2. Step 2: Convert to fraction form
    787,371.03/1,181,243.66 = 254,891.81/x
  3. Step 3: Cross multiply
    787,371.03x = 1,181,243.66 × 254,891.81
  4. Step 4: Simplify right side
    787,371.03x = 301,089,336,227.08
  5. Step 5: Solve for x
    x = 301,089,336,227.08/787,371.03
  6. Step 6: Final answer
    x = 382,398.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.