Finding the Fourth Proportional to 395,874.87, 593,812.13 and 342,407.92
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Solution
The fourth proportional to 395,874.87, 593,812.13 and 342,407.92 is: 513,611.72
Step by Step Solution
- Step 1: Write the proportion equation
395,874.87 : 593,812.13 = 342,407.92 : x - Step 2: Convert to fraction form
395,874.87/593,812.13 = 342,407.92/x - Step 3: Cross multiply
395,874.87x = 593,812.13 × 342,407.92 - Step 4: Simplify right side
395,874.87x = 203,325,974,592.03 - Step 5: Solve for x
x = 203,325,974,592.03/395,874.87 - Step 6: Final answer
x = 513,611.72
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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.