Finding the Fourth Proportional to 1,008,583.13, 1,512,891.11 and 288,922.03
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Solution
The fourth proportional to 1,008,583.13, 1,512,891.11 and 288,922.03 is: 433,387.75
Step by Step Solution
- Step 1: Write the proportion equation
1,008,583.13 : 1,512,891.11 = 288,922.03 : x - Step 2: Convert to fraction form
1,008,583.13/1,512,891.11 = 288,922.03/x - Step 3: Cross multiply
1,008,583.13x = 1,512,891.11 × 288,922.03 - Step 4: Simplify right side
1,008,583.13x = 437,107,574,452.38 - Step 5: Solve for x
x = 437,107,574,452.38/1,008,583.13 - Step 6: Final answer
x = 433,387.75
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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.