Finding the Fourth Proportional to 863,353.10, 1,294,291.24 and 331,256
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Solution
The fourth proportional to 863,353.10, 1,294,291.24 and 331,256 is: 496,600.68
Step by Step Solution
- Step 1: Write the proportion equation
863,353.10 : 1,294,291.24 = 331,256 : x - Step 2: Convert to fraction form
863,353.10/1,294,291.24 = 331,256/x - Step 3: Cross multiply
863,353.10x = 1,294,291.24 × 331,256 - Step 4: Simplify right side
863,353.10x = 428,741,738,997.44 - Step 5: Solve for x
x = 428,741,738,997.44/863,353.10 - Step 6: Final answer
x = 496,600.68
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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.