Finding the Fourth Proportional to 777,882.75, 1,167,020.93 and 216,917.31
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Solution
The fourth proportional to 777,882.75, 1,167,020.93 and 216,917.31 is: 325,430.84
Step by Step Solution
- Step 1: Write the proportion equation
777,882.75 : 1,167,020.93 = 216,917.31 : x - Step 2: Convert to fraction form
777,882.75/1,167,020.93 = 216,917.31/x - Step 3: Cross multiply
777,882.75x = 1,167,020.93 × 216,917.31 - Step 4: Simplify right side
777,882.75x = 253,147,039,764.71 - Step 5: Solve for x
x = 253,147,039,764.71/777,882.75 - Step 6: Final answer
x = 325,430.84
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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.