Finding the Fourth Proportional to 852,249.16, 1,278,862.18 and 346,716.82
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Solution
The fourth proportional to 852,249.16, 1,278,862.18 and 346,716.82 is: 520,273.94
Step by Step Solution
- Step 1: Write the proportion equation
852,249.16 : 1,278,862.18 = 346,716.82 : x - Step 2: Convert to fraction form
852,249.16/1,278,862.18 = 346,716.82/x - Step 3: Cross multiply
852,249.16x = 1,278,862.18 × 346,716.82 - Step 4: Simplify right side
852,249.16x = 443,403,028,267.87 - Step 5: Solve for x
x = 443,403,028,267.87/852,249.16 - Step 6: Final answer
x = 520,273.94
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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.