Home / 751,736.40-1,127,604.60-372,729.30

Finding the Fourth Proportional to 751,736.40, 1,127,604.60 and 372,729.30

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Solution

The fourth proportional to 751,736.40, 1,127,604.60 and 372,729.30 is: 559,093.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,736.40 : 1,127,604.60 = 372,729.30 : x
  2. Step 2: Convert to fraction form
    751,736.40/1,127,604.60 = 372,729.30/x
  3. Step 3: Cross multiply
    751,736.40x = 1,127,604.60 × 372,729.30
  4. Step 4: Simplify right side
    751,736.40x = 420,291,273,234.78
  5. Step 5: Solve for x
    x = 420,291,273,234.78/751,736.40
  6. Step 6: Final answer
    x = 559,093.95

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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.