Finding the Fourth Proportional to 902,330.26, 1,245,162.09 and 494,350.90
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Solution
The fourth proportional to 902,330.26, 1,245,162.09 and 494,350.90 is: 682,174.84
Step by Step Solution
- Step 1: Write the proportion equation
902,330.26 : 1,245,162.09 = 494,350.90 : x - Step 2: Convert to fraction form
902,330.26/1,245,162.09 = 494,350.90/x - Step 3: Cross multiply
902,330.26x = 1,245,162.09 × 494,350.90 - Step 4: Simplify right side
902,330.26x = 615,546,999,837.38 - Step 5: Solve for x
x = 615,546,999,837.38/902,330.26 - Step 6: Final answer
x = 682,174.84
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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.