Finding the Fourth Proportional to 914,770.44, 1,372,339.67 and 315,754.79
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Solution
The fourth proportional to 914,770.44, 1,372,339.67 and 315,754.79 is: 473,695.69
Step by Step Solution
- Step 1: Write the proportion equation
914,770.44 : 1,372,339.67 = 315,754.79 : x - Step 2: Convert to fraction form
914,770.44/1,372,339.67 = 315,754.79/x - Step 3: Cross multiply
914,770.44x = 1,372,339.67 × 315,754.79 - Step 4: Simplify right side
914,770.44x = 433,322,815,869.05 - Step 5: Solve for x
x = 433,322,815,869.05/914,770.44 - Step 6: Final answer
x = 473,695.69
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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.