Finding the Fourth Proportional to 868,647.97, 1,198,806.01 and 481,584.84
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Solution
The fourth proportional to 868,647.97, 1,198,806.01 and 481,584.84 is: 664,626.89
Step by Step Solution
- Step 1: Write the proportion equation
868,647.97 : 1,198,806.01 = 481,584.84 : x - Step 2: Convert to fraction form
868,647.97/1,198,806.01 = 481,584.84/x - Step 3: Cross multiply
868,647.97x = 1,198,806.01 × 481,584.84 - Step 4: Simplify right side
868,647.97x = 577,326,800,516.89 - Step 5: Solve for x
x = 577,326,800,516.89/868,647.97 - Step 6: Final answer
x = 664,626.89
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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.