Home / 787,448.11-1,181,360.32-254,969.73

Finding the Fourth Proportional to 787,448.11, 1,181,360.32 and 254,969.73

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Solution

The fourth proportional to 787,448.11, 1,181,360.32 and 254,969.73 is: 382,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,448.11 : 1,181,360.32 = 254,969.73 : x
  2. Step 2: Convert to fraction form
    787,448.11/1,181,360.32 = 254,969.73/x
  3. Step 3: Cross multiply
    787,448.11x = 1,181,360.32 × 254,969.73
  4. Step 4: Simplify right side
    787,448.11x = 301,211,120,548.27
  5. Step 5: Solve for x
    x = 301,211,120,548.27/787,448.11
  6. Step 6: Final answer
    x = 382,515.52

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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.