Finding the Fourth Proportional to 818,608.97, 1,228,110.08 and 313,161.68
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Solution
The fourth proportional to 818,608.97, 1,228,110.08 and 313,161.68 is: 469,817.73
Step by Step Solution
- Step 1: Write the proportion equation
818,608.97 : 1,228,110.08 = 313,161.68 : x - Step 2: Convert to fraction form
818,608.97/1,228,110.08 = 313,161.68/x - Step 3: Cross multiply
818,608.97x = 1,228,110.08 × 313,161.68 - Step 4: Simplify right side
818,608.97x = 384,597,008,171.38 - Step 5: Solve for x
x = 384,597,008,171.38/818,608.97 - Step 6: Final answer
x = 469,817.73
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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.