Home / 787,418.56-1,181,315.94-254,940.14

Finding the Fourth Proportional to 787,418.56, 1,181,315.94 and 254,940.14

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Solution

The fourth proportional to 787,418.56, 1,181,315.94 and 254,940.14 is: 382,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,418.56 : 1,181,315.94 = 254,940.14 : x
  2. Step 2: Convert to fraction form
    787,418.56/1,181,315.94 = 254,940.14/x
  3. Step 3: Cross multiply
    787,418.56x = 1,181,315.94 × 254,940.14
  4. Step 4: Simplify right side
    787,418.56x = 301,164,851,127.83
  5. Step 5: Solve for x
    x = 301,164,851,127.83/787,418.56
  6. Step 6: Final answer
    x = 382,471.11

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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.