Finding the Fourth Proportional to 878,659.20, 1,318,236.84 and 247,578.48
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Solution
The fourth proportional to 878,659.20, 1,318,236.84 and 247,578.48 is: 371,437.61
Step by Step Solution
- Step 1: Write the proportion equation
878,659.20 : 1,318,236.84 = 247,578.48 : x - Step 2: Convert to fraction form
878,659.20/1,318,236.84 = 247,578.48/x - Step 3: Cross multiply
878,659.20x = 1,318,236.84 × 247,578.48 - Step 4: Simplify right side
878,659.20x = 326,367,073,127.20 - Step 5: Solve for x
x = 326,367,073,127.20/878,659.20 - Step 6: Final answer
x = 371,437.61
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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.