Finding the Fourth Proportional to 656,287.26, 905,677.02 and 354,481.26
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Solution
The fourth proportional to 656,287.26, 905,677.02 and 354,481.26 is: 489,184.46
Step by Step Solution
- Step 1: Write the proportion equation
656,287.26 : 905,677.02 = 354,481.26 : x - Step 2: Convert to fraction form
656,287.26/905,677.02 = 354,481.26/x - Step 3: Cross multiply
656,287.26x = 905,677.02 × 354,481.26 - Step 4: Simplify right side
656,287.26x = 321,045,531,202.65 - Step 5: Solve for x
x = 321,045,531,202.65/656,287.26 - Step 6: Final answer
x = 489,184.46
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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.