Finding the Fourth Proportional to 764,793.45, 1,147,190.18 and 366,212.70
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Solution
The fourth proportional to 764,793.45, 1,147,190.18 and 366,212.70 is: 549,319.05
Step by Step Solution
- Step 1: Write the proportion equation
764,793.45 : 1,147,190.18 = 366,212.70 : x - Step 2: Convert to fraction form
764,793.45/1,147,190.18 = 366,212.70/x - Step 3: Cross multiply
764,793.45x = 1,147,190.18 × 366,212.70 - Step 4: Simplify right side
764,793.45x = 420,115,611,400.22 - Step 5: Solve for x
x = 420,115,611,400.22/764,793.45 - Step 6: Final answer
x = 549,319.05
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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.