Home / 819,697.24-1,229,627.88-251,071.77

Finding the Fourth Proportional to 819,697.24, 1,229,627.88 and 251,071.77

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Solution

The fourth proportional to 819,697.24, 1,229,627.88 and 251,071.77 is: 376,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,697.24 : 1,229,627.88 = 251,071.77 : x
  2. Step 2: Convert to fraction form
    819,697.24/1,229,627.88 = 251,071.77/x
  3. Step 3: Cross multiply
    819,697.24x = 1,229,627.88 × 251,071.77
  4. Step 4: Simplify right side
    819,697.24x = 308,724,848,272.95
  5. Step 5: Solve for x
    x = 308,724,848,272.95/819,697.24
  6. Step 6: Final answer
    x = 376,632.78

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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.