Finding the Fourth Proportional to 777,190.97, 1,165,943.63 and 327,912.81
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Solution
The fourth proportional to 777,190.97, 1,165,943.63 and 327,912.81 is: 491,935.53
Step by Step Solution
- Step 1: Write the proportion equation
777,190.97 : 1,165,943.63 = 327,912.81 : x - Step 2: Convert to fraction form
777,190.97/1,165,943.63 = 327,912.81/x - Step 3: Cross multiply
777,190.97x = 1,165,943.63 × 327,912.81 - Step 4: Simplify right side
777,190.97x = 382,327,852,014.90 - Step 5: Solve for x
x = 382,327,852,014.90/777,190.97 - Step 6: Final answer
x = 491,935.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.