Finding the Fourth Proportional to 621,884.23, 858,190.19 and 349,951.97
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Solution
The fourth proportional to 621,884.23, 858,190.19 and 349,951.97 is: 482,928.07
Step by Step Solution
- Step 1: Write the proportion equation
621,884.23 : 858,190.19 = 349,951.97 : x - Step 2: Convert to fraction form
621,884.23/858,190.19 = 349,951.97/x - Step 3: Cross multiply
621,884.23x = 858,190.19 × 349,951.97 - Step 4: Simplify right side
621,884.23x = 300,325,348,020.89 - Step 5: Solve for x
x = 300,325,348,020.89/621,884.23 - Step 6: Final answer
x = 482,928.07
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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.