Finding the Fourth Proportional to 494,619.73, 682,590.72 and 279,755.62
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Solution
The fourth proportional to 494,619.73, 682,590.72 and 279,755.62 is: 386,071.52
Step by Step Solution
- Step 1: Write the proportion equation
494,619.73 : 682,590.72 = 279,755.62 : x - Step 2: Convert to fraction form
494,619.73/682,590.72 = 279,755.62/x - Step 3: Cross multiply
494,619.73x = 682,590.72 × 279,755.62 - Step 4: Simplify right side
494,619.73x = 190,958,590,079.85 - Step 5: Solve for x
x = 190,958,590,079.85/494,619.73 - Step 6: Final answer
x = 386,071.52
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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.