Finding the Fourth Proportional to 777,193.99, 1,165,948.16 and 327,915.81
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Solution
The fourth proportional to 777,193.99, 1,165,948.16 and 327,915.81 is: 491,940.03
Step by Step Solution
- Step 1: Write the proportion equation
777,193.99 : 1,165,948.16 = 327,915.81 : x - Step 2: Convert to fraction form
777,193.99/1,165,948.16 = 327,915.81/x - Step 3: Cross multiply
777,193.99x = 1,165,948.16 × 327,915.81 - Step 4: Simplify right side
777,193.99x = 382,332,833,664.83 - Step 5: Solve for x
x = 382,332,833,664.83/777,193.99 - Step 6: Final answer
x = 491,940.03
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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.