Finding the Fourth Proportional to 574,278.87, 859,253.97 and 342,611.19
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Solution
The fourth proportional to 574,278.87, 859,253.97 and 342,611.19 is: 512,625.56
Step by Step Solution
- Step 1: Write the proportion equation
574,278.87 : 859,253.97 = 342,611.19 : x - Step 2: Convert to fraction form
574,278.87/859,253.97 = 342,611.19/x - Step 3: Cross multiply
574,278.87x = 859,253.97 × 342,611.19 - Step 4: Simplify right side
574,278.87x = 294,390,025,173.92 - Step 5: Solve for x
x = 294,390,025,173.92/574,278.87 - Step 6: Final answer
x = 512,625.56
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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.