Home / 802,110.75-1,106,912.84-479,834.43

Finding the Fourth Proportional to 802,110.75, 1,106,912.84 and 479,834.43

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Solution

The fourth proportional to 802,110.75, 1,106,912.84 and 479,834.43 is: 662,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,110.75 : 1,106,912.84 = 479,834.43 : x
  2. Step 2: Convert to fraction form
    802,110.75/1,106,912.84 = 479,834.43/x
  3. Step 3: Cross multiply
    802,110.75x = 1,106,912.84 × 479,834.43
  4. Step 4: Simplify right side
    802,110.75x = 531,134,889,241.91
  5. Step 5: Solve for x
    x = 531,134,889,241.91/802,110.75
  6. Step 6: Final answer
    x = 662,171.51

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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.