Home / 787,323.22-1,181,172.24-254,844.20

Finding the Fourth Proportional to 787,323.22, 1,181,172.24 and 254,844.20

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Solution

The fourth proportional to 787,323.22, 1,181,172.24 and 254,844.20 is: 382,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,323.22 : 1,181,172.24 = 254,844.20 : x
  2. Step 2: Convert to fraction form
    787,323.22/1,181,172.24 = 254,844.20/x
  3. Step 3: Cross multiply
    787,323.22x = 1,181,172.24 × 254,844.20
  4. Step 4: Simplify right side
    787,323.22x = 301,014,897,517.94
  5. Step 5: Solve for x
    x = 301,014,897,517.94/787,323.22
  6. Step 6: Final answer
    x = 382,326.97

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1.5x scale

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.