Home / 844,418.64-1,267,293.63-312,091.90

Finding the Fourth Proportional to 844,418.64, 1,267,293.63 and 312,091.90

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Solution

The fourth proportional to 844,418.64, 1,267,293.63 and 312,091.90 is: 468,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,418.64 : 1,267,293.63 = 312,091.90 : x
  2. Step 2: Convert to fraction form
    844,418.64/1,267,293.63 = 312,091.90/x
  3. Step 3: Cross multiply
    844,418.64x = 1,267,293.63 × 312,091.90
  4. Step 4: Simplify right side
    844,418.64x = 395,512,076,844.60
  5. Step 5: Solve for x
    x = 395,512,076,844.60/844,418.64
  6. Step 6: Final answer
    x = 468,383.88

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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.