Home / 959,164.20-1,439,912.70-485,605.80

Finding the Fourth Proportional to 959,164.20, 1,439,912.70 and 485,605.80

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Solution

The fourth proportional to 959,164.20, 1,439,912.70 and 485,605.80 is: 728,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,164.20 : 1,439,912.70 = 485,605.80 : x
  2. Step 2: Convert to fraction form
    959,164.20/1,439,912.70 = 485,605.80/x
  3. Step 3: Cross multiply
    959,164.20x = 1,439,912.70 × 485,605.80
  4. Step 4: Simplify right side
    959,164.20x = 699,229,958,613.66
  5. Step 5: Solve for x
    x = 699,229,958,613.66/959,164.20
  6. Step 6: Final answer
    x = 728,999.23

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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.