Finding the Fourth Proportional to 646,754.44, 969,396.01 and 393,476.62
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Solution
The fourth proportional to 646,754.44, 969,396.01 and 393,476.62 is: 589,767.37
Step by Step Solution
- Step 1: Write the proportion equation
646,754.44 : 969,396.01 = 393,476.62 : x - Step 2: Convert to fraction form
646,754.44/969,396.01 = 393,476.62/x - Step 3: Cross multiply
646,754.44x = 969,396.01 × 393,476.62 - Step 4: Simplify right side
646,754.44x = 381,434,665,456.29 - Step 5: Solve for x
x = 381,434,665,456.29/646,754.44 - Step 6: Final answer
x = 589,767.37
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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.