Finding the Fourth Proportional to 777,285.44, 1,165,958.88 and 216,368.96
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Solution
The fourth proportional to 777,285.44, 1,165,958.88 and 216,368.96 is: 324,561.99
Step by Step Solution
- Step 1: Write the proportion equation
777,285.44 : 1,165,958.88 = 216,368.96 : x - Step 2: Convert to fraction form
777,285.44/1,165,958.88 = 216,368.96/x - Step 3: Cross multiply
777,285.44x = 1,165,958.88 × 216,368.96 - Step 4: Simplify right side
777,285.44x = 252,277,310,268.37 - Step 5: Solve for x
x = 252,277,310,268.37/777,285.44 - Step 6: Final answer
x = 324,561.99
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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.