Finding the Fourth Proportional to 908,436.44, 1,362,868.79 and 509,352.68
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Solution
The fourth proportional to 908,436.44, 1,362,868.79 and 509,352.68 is: 764,149.07
Step by Step Solution
- Step 1: Write the proportion equation
908,436.44 : 1,362,868.79 = 509,352.68 : x - Step 2: Convert to fraction form
908,436.44/1,362,868.79 = 509,352.68/x - Step 3: Cross multiply
908,436.44x = 1,362,868.79 × 509,352.68 - Step 4: Simplify right side
908,436.44x = 694,180,861,313.75 - Step 5: Solve for x
x = 694,180,861,313.75/908,436.44 - Step 6: Final answer
x = 764,149.07
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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.