Finding the Fourth Proportional to 756,770.18, 1,135,811.12 and 397,195.02
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Solution
The fourth proportional to 756,770.18, 1,135,811.12 and 397,195.02 is: 596,136.76
Step by Step Solution
- Step 1: Write the proportion equation
756,770.18 : 1,135,811.12 = 397,195.02 : x - Step 2: Convert to fraction form
756,770.18/1,135,811.12 = 397,195.02/x - Step 3: Cross multiply
756,770.18x = 1,135,811.12 × 397,195.02 - Step 4: Simplify right side
756,770.18x = 451,138,521,517.61 - Step 5: Solve for x
x = 451,138,521,517.61/756,770.18 - Step 6: Final answer
x = 596,136.76
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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.