Finding the Fourth Proportional to 775,152.96, 1,161,708.84 and 415,282.11
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Solution
The fourth proportional to 775,152.96, 1,161,708.84 and 415,282.11 is: 622,376.39
Step by Step Solution
- Step 1: Write the proportion equation
775,152.96 : 1,161,708.84 = 415,282.11 : x - Step 2: Convert to fraction form
775,152.96/1,161,708.84 = 415,282.11/x - Step 3: Cross multiply
775,152.96x = 1,161,708.84 × 415,282.11 - Step 4: Simplify right side
775,152.96x = 482,436,898,280.85 - Step 5: Solve for x
x = 482,436,898,280.85/775,152.96 - Step 6: Final answer
x = 622,376.39
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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.