Home / 669,086.94-1,003,419-219,733.77

Finding the Fourth Proportional to 669,086.94, 1,003,419 and 219,733.77

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Solution

The fourth proportional to 669,086.94, 1,003,419 and 219,733.77 is: 329,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,086.94 : 1,003,419 = 219,733.77 : x
  2. Step 2: Convert to fraction form
    669,086.94/1,003,419 = 219,733.77/x
  3. Step 3: Cross multiply
    669,086.94x = 1,003,419 × 219,733.77
  4. Step 4: Simplify right side
    669,086.94x = 220,485,039,759.63
  5. Step 5: Solve for x
    x = 220,485,039,759.63/669,086.94
  6. Step 6: Final answer
    x = 329,531.23

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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.