Finding the Fourth Proportional to 494,359.24, 681,556.02 and 392,722.08
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Solution
The fourth proportional to 494,359.24, 681,556.02 and 392,722.08 is: 541,432.38
Step by Step Solution
- Step 1: Write the proportion equation
494,359.24 : 681,556.02 = 392,722.08 : x - Step 2: Convert to fraction form
494,359.24/681,556.02 = 392,722.08/x - Step 3: Cross multiply
494,359.24x = 681,556.02 × 392,722.08 - Step 4: Simplify right side
494,359.24x = 267,662,097,810.92 - Step 5: Solve for x
x = 267,662,097,810.92/494,359.24 - Step 6: Final answer
x = 541,432.38
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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.