Finding the Fourth Proportional to 852,446.45, 1,278,880.18 and 253,405.08
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Solution
The fourth proportional to 852,446.45, 1,278,880.18 and 253,405.08 is: 380,170.19
Step by Step Solution
- Step 1: Write the proportion equation
852,446.45 : 1,278,880.18 = 253,405.08 : x - Step 2: Convert to fraction form
852,446.45/1,278,880.18 = 253,405.08/x - Step 3: Cross multiply
852,446.45x = 1,278,880.18 × 253,405.08 - Step 4: Simplify right side
852,446.45x = 324,074,733,689.80 - Step 5: Solve for x
x = 324,074,733,689.80/852,446.45 - Step 6: Final answer
x = 380,170.19
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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.