Finding the Fourth Proportional to 1,332,375.57, 1,998,544.87 and 321,489.09
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Solution
The fourth proportional to 1,332,375.57, 1,998,544.87 and 321,489.09 is: 482,229.17
Step by Step Solution
- Step 1: Write the proportion equation
1,332,375.57 : 1,998,544.87 = 321,489.09 : x - Step 2: Convert to fraction form
1,332,375.57/1,998,544.87 = 321,489.09/x - Step 3: Cross multiply
1,332,375.57x = 1,998,544.87 × 321,489.09 - Step 4: Simplify right side
1,332,375.57x = 642,510,371,580.47 - Step 5: Solve for x
x = 642,510,371,580.47/1,332,375.57 - Step 6: Final answer
x = 482,229.17
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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.