Finding the Fourth Proportional to 548,619.75, 757,077.93 and 303,589.62
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Solution
The fourth proportional to 548,619.75, 757,077.93 and 303,589.62 is: 418,944.09
Step by Step Solution
- Step 1: Write the proportion equation
548,619.75 : 757,077.93 = 303,589.62 : x - Step 2: Convert to fraction form
548,619.75/757,077.93 = 303,589.62/x - Step 3: Cross multiply
548,619.75x = 757,077.93 × 303,589.62 - Step 4: Simplify right side
548,619.75x = 229,841,001,079.09 - Step 5: Solve for x
x = 229,841,001,079.09/548,619.75 - Step 6: Final answer
x = 418,944.09
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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.