Finding the Fourth Proportional to 914,657.72, 1,372,057.68 and 274,911.62
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Solution
The fourth proportional to 914,657.72, 1,372,057.68 and 274,911.62 is: 412,388.80
Step by Step Solution
- Step 1: Write the proportion equation
914,657.72 : 1,372,057.68 = 274,911.62 : x - Step 2: Convert to fraction form
914,657.72/1,372,057.68 = 274,911.62/x - Step 3: Cross multiply
914,657.72x = 1,372,057.68 × 274,911.62 - Step 4: Simplify right side
914,657.72x = 377,194,599,542.24 - Step 5: Solve for x
x = 377,194,599,542.24/914,657.72 - Step 6: Final answer
x = 412,388.80
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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.