Finding the Fourth Proportional to 777,287.44, 1,165,961.88 and 216,370.96
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Solution
The fourth proportional to 777,287.44, 1,165,961.88 and 216,370.96 is: 324,564.99
Step by Step Solution
- Step 1: Write the proportion equation
777,287.44 : 1,165,961.88 = 216,370.96 : x - Step 2: Convert to fraction form
777,287.44/1,165,961.88 = 216,370.96/x - Step 3: Cross multiply
777,287.44x = 1,165,961.88 × 216,370.96 - Step 4: Simplify right side
777,287.44x = 252,280,291,299.01 - Step 5: Solve for x
x = 252,280,291,299.01/777,287.44 - Step 6: Final answer
x = 324,564.99
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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.