Home / 523,749.41-722,753.83-320,141.24

Finding the Fourth Proportional to 523,749.41, 722,753.83 and 320,141.24

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Solution

The fourth proportional to 523,749.41, 722,753.83 and 320,141.24 is: 441,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,749.41 : 722,753.83 = 320,141.24 : x
  2. Step 2: Convert to fraction form
    523,749.41/722,753.83 = 320,141.24/x
  3. Step 3: Cross multiply
    523,749.41x = 722,753.83 × 320,141.24
  4. Step 4: Simplify right side
    523,749.41x = 231,383,307,350.95
  5. Step 5: Solve for x
    x = 231,383,307,350.95/523,749.41
  6. Step 6: Final answer
    x = 441,782.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.