Finding the Fourth Proportional to 843,605.62, 1,164,198.62 and 516,912.98
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Solution
The fourth proportional to 843,605.62, 1,164,198.62 and 516,912.98 is: 713,353.92
Step by Step Solution
- Step 1: Write the proportion equation
843,605.62 : 1,164,198.62 = 516,912.98 : x - Step 2: Convert to fraction form
843,605.62/1,164,198.62 = 516,912.98/x - Step 3: Cross multiply
843,605.62x = 1,164,198.62 × 516,912.98 - Step 4: Simplify right side
843,605.62x = 601,789,373,447.38 - Step 5: Solve for x
x = 601,789,373,447.38/843,605.62 - Step 6: Final answer
x = 713,353.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.