Finding the Fourth Proportional to 757,418.24, 1,135,843.84 and 325,081.12
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Solution
The fourth proportional to 757,418.24, 1,135,843.84 and 325,081.12 is: 487,499.99
Step by Step Solution
- Step 1: Write the proportion equation
757,418.24 : 1,135,843.84 = 325,081.12 : x - Step 2: Convert to fraction form
757,418.24/1,135,843.84 = 325,081.12/x - Step 3: Cross multiply
757,418.24x = 1,135,843.84 × 325,081.12 - Step 4: Simplify right side
757,418.24x = 369,241,387,652.30 - Step 5: Solve for x
x = 369,241,387,652.30/757,418.24 - Step 6: Final answer
x = 487,499.99
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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.