Finding the Fourth Proportional to 684,988.92, 945,251.19 and 379,059.84
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Solution
The fourth proportional to 684,988.92, 945,251.19 and 379,059.84 is: 523,084.03
Step by Step Solution
- Step 1: Write the proportion equation
684,988.92 : 945,251.19 = 379,059.84 : x - Step 2: Convert to fraction form
684,988.92/945,251.19 = 379,059.84/x - Step 3: Cross multiply
684,988.92x = 945,251.19 × 379,059.84 - Step 4: Simplify right side
684,988.92x = 358,306,764,841.21 - Step 5: Solve for x
x = 358,306,764,841.21/684,988.92 - Step 6: Final answer
x = 523,084.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.