Finding the Fourth Proportional to 1,378,770.53, 2,068,154.57 and 419,234.00
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Solution
The fourth proportional to 1,378,770.53, 2,068,154.57 and 419,234.00 is: 628,850.62
Step by Step Solution
- Step 1: Write the proportion equation
1,378,770.53 : 2,068,154.57 = 419,234.00 : x - Step 2: Convert to fraction form
1,378,770.53/2,068,154.57 = 419,234.00/x - Step 3: Cross multiply
1,378,770.53x = 2,068,154.57 × 419,234.00 - Step 4: Simplify right side
1,378,770.53x = 867,040,703,706.69 - Step 5: Solve for x
x = 867,040,703,706.69/1,378,770.53 - Step 6: Final answer
x = 628,850.62
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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.