Finding the Fourth Proportional to 397,337.26, 540,989.49 and 396,076.09
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Solution
The fourth proportional to 397,337.26, 540,989.49 and 396,076.09 is: 539,272.36
Step by Step Solution
- Step 1: Write the proportion equation
397,337.26 : 540,989.49 = 396,076.09 : x - Step 2: Convert to fraction form
397,337.26/540,989.49 = 396,076.09/x - Step 3: Cross multiply
397,337.26x = 540,989.49 × 396,076.09 - Step 4: Simplify right side
397,337.26x = 214,273,001,930.29 - Step 5: Solve for x
x = 214,273,001,930.29/397,337.26 - Step 6: Final answer
x = 539,272.36
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.