Finding the Fourth Proportional to 789,097.68, 1,088,952.66 and 449,568.36
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Solution
The fourth proportional to 789,097.68, 1,088,952.66 and 449,568.36 is: 620,403.12
Step by Step Solution
- Step 1: Write the proportion equation
789,097.68 : 1,088,952.66 = 449,568.36 : x - Step 2: Convert to fraction form
789,097.68/1,088,952.66 = 449,568.36/x - Step 3: Cross multiply
789,097.68x = 1,088,952.66 × 449,568.36 - Step 4: Simplify right side
789,097.68x = 489,558,661,473.84 - Step 5: Solve for x
x = 489,558,661,473.84/789,097.68 - Step 6: Final answer
x = 620,403.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.