Finding the Fourth Proportional to 769,186.08, 1,153,053.36 and 270,277.92
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Solution
The fourth proportional to 769,186.08, 1,153,053.36 and 270,277.92 is: 405,161.86
Step by Step Solution
- Step 1: Write the proportion equation
769,186.08 : 1,153,053.36 = 270,277.92 : x - Step 2: Convert to fraction form
769,186.08/1,153,053.36 = 270,277.92/x - Step 3: Cross multiply
769,186.08x = 1,153,053.36 × 270,277.92 - Step 4: Simplify right side
769,186.08x = 311,644,863,789.81 - Step 5: Solve for x
x = 311,644,863,789.81/769,186.08 - Step 6: Final answer
x = 405,161.86
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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.