Finding the Fourth Proportional to 994,883.22, 1,372,549.05 and 612,245.70
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Solution
The fourth proportional to 994,883.22, 1,372,549.05 and 612,245.70 is: 844,659.19
Step by Step Solution
- Step 1: Write the proportion equation
994,883.22 : 1,372,549.05 = 612,245.70 : x - Step 2: Convert to fraction form
994,883.22/1,372,549.05 = 612,245.70/x - Step 3: Cross multiply
994,883.22x = 1,372,549.05 × 612,245.70 - Step 4: Simplify right side
994,883.22x = 840,337,253,901.59 - Step 5: Solve for x
x = 840,337,253,901.59/994,883.22 - Step 6: Final answer
x = 844,659.19
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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.