Finding the Fourth Proportional to 757,140.48, 1,135,969.92 and 336,709.44
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Solution
The fourth proportional to 757,140.48, 1,135,969.92 and 336,709.44 is: 505,179.43
Step by Step Solution
- Step 1: Write the proportion equation
757,140.48 : 1,135,969.92 = 336,709.44 : x - Step 2: Convert to fraction form
757,140.48/1,135,969.92 = 336,709.44/x - Step 3: Cross multiply
757,140.48x = 1,135,969.92 × 336,709.44 - Step 4: Simplify right side
757,140.48x = 382,491,795,620.05 - Step 5: Solve for x
x = 382,491,795,620.05/757,140.48 - Step 6: Final answer
x = 505,179.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.