Finding the Fourth Proportional to 992,775.40, 1,489,163.10 and 614,861.80
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Solution
The fourth proportional to 992,775.40, 1,489,163.10 and 614,861.80 is: 922,292.70
Step by Step Solution
- Step 1: Write the proportion equation
992,775.40 : 1,489,163.10 = 614,861.80 : x - Step 2: Convert to fraction form
992,775.40/1,489,163.10 = 614,861.80/x - Step 3: Cross multiply
992,775.40x = 1,489,163.10 × 614,861.80 - Step 4: Simplify right side
992,775.40x = 915,629,504,159.58 - Step 5: Solve for x
x = 915,629,504,159.58/992,775.40 - Step 6: Final answer
x = 922,292.70
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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.