Finding the Fourth Proportional to 776,609.82, 1,165,193.46 and 303,634.62
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Solution
The fourth proportional to 776,609.82, 1,165,193.46 and 303,634.62 is: 455,560.91
Step by Step Solution
- Step 1: Write the proportion equation
776,609.82 : 1,165,193.46 = 303,634.62 : x - Step 2: Convert to fraction form
776,609.82/1,165,193.46 = 303,634.62/x - Step 3: Cross multiply
776,609.82x = 1,165,193.46 × 303,634.62 - Step 4: Simplify right side
776,609.82x = 353,793,073,453.59 - Step 5: Solve for x
x = 353,793,073,453.59/776,609.82 - Step 6: Final answer
x = 455,560.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.