Finding the Fourth Proportional to 739,392.05, 1,109,284.55 and 233,961.99
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Solution
The fourth proportional to 739,392.05, 1,109,284.55 and 233,961.99 is: 351,005.16
Step by Step Solution
- Step 1: Write the proportion equation
739,392.05 : 1,109,284.55 = 233,961.99 : x - Step 2: Convert to fraction form
739,392.05/1,109,284.55 = 233,961.99/x - Step 3: Cross multiply
739,392.05x = 1,109,284.55 × 233,961.99 - Step 4: Simplify right side
739,392.05x = 259,530,419,624.45 - Step 5: Solve for x
x = 259,530,419,624.45/739,392.05 - Step 6: Final answer
x = 351,005.16
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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.