Finding the Fourth Proportional to 992,242.62, 1,486,652.12 and 543,286.62
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Solution
The fourth proportional to 992,242.62, 1,486,652.12 and 543,286.62 is: 813,992.66
Step by Step Solution
- Step 1: Write the proportion equation
992,242.62 : 1,486,652.12 = 543,286.62 : x - Step 2: Convert to fraction form
992,242.62/1,486,652.12 = 543,286.62/x - Step 3: Cross multiply
992,242.62x = 1,486,652.12 × 543,286.62 - Step 4: Simplify right side
992,242.62x = 807,678,205,390.63 - Step 5: Solve for x
x = 807,678,205,390.63/992,242.62 - Step 6: Final answer
x = 813,992.66
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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.