Home / 780,847.29-1,170,473.29-443,174.49

Finding the Fourth Proportional to 780,847.29, 1,170,473.29 and 443,174.49

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Solution

The fourth proportional to 780,847.29, 1,170,473.29 and 443,174.49 is: 664,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,847.29 : 1,170,473.29 = 443,174.49 : x
  2. Step 2: Convert to fraction form
    780,847.29/1,170,473.29 = 443,174.49/x
  3. Step 3: Cross multiply
    780,847.29x = 1,170,473.29 × 443,174.49
  4. Step 4: Simplify right side
    780,847.29x = 518,723,902,246.44
  5. Step 5: Solve for x
    x = 518,723,902,246.44/780,847.29
  6. Step 6: Final answer
    x = 664,309.03

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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.