Home / 667,539.30-1,001,406.15-218,151.30

Finding the Fourth Proportional to 667,539.30, 1,001,406.15 and 218,151.30

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Solution

The fourth proportional to 667,539.30, 1,001,406.15 and 218,151.30 is: 327,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,539.30 : 1,001,406.15 = 218,151.30 : x
  2. Step 2: Convert to fraction form
    667,539.30/1,001,406.15 = 218,151.30/x
  3. Step 3: Cross multiply
    667,539.30x = 1,001,406.15 × 218,151.30
  4. Step 4: Simplify right side
    667,539.30x = 218,458,053,450.50
  5. Step 5: Solve for x
    x = 218,458,053,450.50/667,539.30
  6. Step 6: Final answer
    x = 327,258.71

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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.