Finding the Fourth Proportional to 633,718.26, 874,531.26 and 379,129.50
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Solution
The fourth proportional to 633,718.26, 874,531.26 and 379,129.50 is: 523,198.75
Step by Step Solution
- Step 1: Write the proportion equation
633,718.26 : 874,531.26 = 379,129.50 : x - Step 2: Convert to fraction form
633,718.26/874,531.26 = 379,129.50/x - Step 3: Cross multiply
633,718.26x = 874,531.26 × 379,129.50 - Step 4: Simplify right side
633,718.26x = 331,560,599,338.17 - Step 5: Solve for x
x = 331,560,599,338.17/633,718.26 - Step 6: Final answer
x = 523,198.75
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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.