Finding the Fourth Proportional to 459,161.06, 686,727.17 and 408,914.42
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Solution
The fourth proportional to 459,161.06, 686,727.17 and 408,914.42 is: 611,577.65
Step by Step Solution
- Step 1: Write the proportion equation
459,161.06 : 686,727.17 = 408,914.42 : x - Step 2: Convert to fraction form
459,161.06/686,727.17 = 408,914.42/x - Step 3: Cross multiply
459,161.06x = 686,727.17 × 408,914.42 - Step 4: Simplify right side
459,161.06x = 280,812,640,007.44 - Step 5: Solve for x
x = 280,812,640,007.44/459,161.06 - Step 6: Final answer
x = 611,577.65
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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.