Finding the Fourth Proportional to 505,581.08, 757,508.45 and 278,067.14
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Solution
The fourth proportional to 505,581.08, 757,508.45 and 278,067.14 is: 416,625.96
Step by Step Solution
- Step 1: Write the proportion equation
505,581.08 : 757,508.45 = 278,067.14 : x - Step 2: Convert to fraction form
505,581.08/757,508.45 = 278,067.14/x - Step 3: Cross multiply
505,581.08x = 757,508.45 × 278,067.14 - Step 4: Simplify right side
505,581.08x = 210,638,204,531.68 - Step 5: Solve for x
x = 210,638,204,531.68/505,581.08 - Step 6: Final answer
x = 416,625.96
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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.