Finding the Fourth Proportional to 720,614, 1,080,912.36 and 676,770.48
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Solution
The fourth proportional to 720,614, 1,080,912.36 and 676,770.48 is: 1,015,147.61
Step by Step Solution
- Step 1: Write the proportion equation
720,614 : 1,080,912.36 = 676,770.48 : x - Step 2: Convert to fraction form
720,614/1,080,912.36 = 676,770.48/x - Step 3: Cross multiply
720,614x = 1,080,912.36 × 676,770.48 - Step 4: Simplify right side
720,614x = 731,529,576,715.13 - Step 5: Solve for x
x = 731,529,576,715.13/720,614 - Step 6: Final answer
x = 1,015,147.61
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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.