Home / 667,826.47-1,001,880.04-218,512.33

Finding the Fourth Proportional to 667,826.47, 1,001,880.04 and 218,512.33

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Solution

The fourth proportional to 667,826.47, 1,001,880.04 and 218,512.33 is: 327,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,826.47 : 1,001,880.04 = 218,512.33 : x
  2. Step 2: Convert to fraction form
    667,826.47/1,001,880.04 = 218,512.33/x
  3. Step 3: Cross multiply
    667,826.47x = 1,001,880.04 × 218,512.33
  4. Step 4: Simplify right side
    667,826.47x = 218,923,144,915.20
  5. Step 5: Solve for x
    x = 218,923,144,915.20/667,826.47
  6. Step 6: Final answer
    x = 327,814.42

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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.