Home / 667,666.44-1,001,561.31-218,389.86

Finding the Fourth Proportional to 667,666.44, 1,001,561.31 and 218,389.86

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Solution

The fourth proportional to 667,666.44, 1,001,561.31 and 218,389.86 is: 327,604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,666.44 : 1,001,561.31 = 218,389.86 : x
  2. Step 2: Convert to fraction form
    667,666.44/1,001,561.31 = 218,389.86/x
  3. Step 3: Cross multiply
    667,666.44x = 1,001,561.31 × 218,389.86
  4. Step 4: Simplify right side
    667,666.44x = 218,730,834,272.32
  5. Step 5: Solve for x
    x = 218,730,834,272.32/667,666.44
  6. Step 6: Final answer
    x = 327,604.96

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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.