Finding the Fourth Proportional to 852,069.68, 1,276,790.68 and 419,290.32
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Solution
The fourth proportional to 852,069.68, 1,276,790.68 and 419,290.32 is: 628,288.96
Step by Step Solution
- Step 1: Write the proportion equation
852,069.68 : 1,276,790.68 = 419,290.32 : x - Step 2: Convert to fraction form
852,069.68/1,276,790.68 = 419,290.32/x - Step 3: Cross multiply
852,069.68x = 1,276,790.68 × 419,290.32 - Step 4: Simplify right side
852,069.68x = 535,345,972,790.22 - Step 5: Solve for x
x = 535,345,972,790.22/852,069.68 - Step 6: Final answer
x = 628,288.96
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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.