Finding the Fourth Proportional to 775,838.25, 1,163,757.38 and 214,872.75
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Solution
The fourth proportional to 775,838.25, 1,163,757.38 and 214,872.75 is: 322,309.13
Step by Step Solution
- Step 1: Write the proportion equation
775,838.25 : 1,163,757.38 = 214,872.75 : x - Step 2: Convert to fraction form
775,838.25/1,163,757.38 = 214,872.75/x - Step 3: Cross multiply
775,838.25x = 1,163,757.38 × 214,872.75 - Step 4: Simplify right side
775,838.25x = 250,059,747,499.03 - Step 5: Solve for x
x = 250,059,747,499.03/775,838.25 - Step 6: Final answer
x = 322,309.13
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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.