Home / 889,735.38-1,334,327.05-321,042.48

Finding the Fourth Proportional to 889,735.38, 1,334,327.05 and 321,042.48

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Solution

The fourth proportional to 889,735.38, 1,334,327.05 and 321,042.48 is: 481,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,735.38 : 1,334,327.05 = 321,042.48 : x
  2. Step 2: Convert to fraction form
    889,735.38/1,334,327.05 = 321,042.48/x
  3. Step 3: Cross multiply
    889,735.38x = 1,334,327.05 × 321,042.48
  4. Step 4: Simplify right side
    889,735.38x = 428,375,665,263.08
  5. Step 5: Solve for x
    x = 428,375,665,263.08/889,735.38
  6. Step 6: Final answer
    x = 481,464.12

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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.