Finding the Fourth Proportional to 902,128.62, 1,244,893.34 and 494,232.47
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Solution
The fourth proportional to 902,128.62, 1,244,893.34 and 494,232.47 is: 682,016.61
Step by Step Solution
- Step 1: Write the proportion equation
902,128.62 : 1,244,893.34 = 494,232.47 : x - Step 2: Convert to fraction form
902,128.62/1,244,893.34 = 494,232.47/x - Step 3: Cross multiply
902,128.62x = 1,244,893.34 × 494,232.47 - Step 4: Simplify right side
902,128.62x = 615,266,701,619.12 - Step 5: Solve for x
x = 615,266,701,619.12/902,128.62 - Step 6: Final answer
x = 682,016.61
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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.