Finding the Fourth Proportional to 902,192.70, 1,244,967.60 and 494,293.98
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Solution
The fourth proportional to 902,192.70, 1,244,967.60 and 494,293.98 is: 682,093.74
Step by Step Solution
- Step 1: Write the proportion equation
902,192.70 : 1,244,967.60 = 494,293.98 : x - Step 2: Convert to fraction form
902,192.70/1,244,967.60 = 494,293.98/x - Step 3: Cross multiply
902,192.70x = 1,244,967.60 × 494,293.98 - Step 4: Simplify right side
902,192.70x = 615,379,989,975.05 - Step 5: Solve for x
x = 615,379,989,975.05/902,192.70 - Step 6: Final answer
x = 682,093.74
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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.