Finding the Fourth Proportional to 998,084.16, 1,497,363.12 and 324,167.76
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Solution
The fourth proportional to 998,084.16, 1,497,363.12 and 324,167.76 is: 486,328.58
Step by Step Solution
- Step 1: Write the proportion equation
998,084.16 : 1,497,363.12 = 324,167.76 : x - Step 2: Convert to fraction form
998,084.16/1,497,363.12 = 324,167.76/x - Step 3: Cross multiply
998,084.16x = 1,497,363.12 × 324,167.76 - Step 4: Simplify right side
998,084.16x = 485,396,848,517.01 - Step 5: Solve for x
x = 485,396,848,517.01/998,084.16 - Step 6: Final answer
x = 486,328.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.