Finding the Fourth Proportional to 798,785.82, 1,102,327.11 and 436,213.62
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Solution
The fourth proportional to 798,785.82, 1,102,327.11 and 436,213.62 is: 601,976.26
Step by Step Solution
- Step 1: Write the proportion equation
798,785.82 : 1,102,327.11 = 436,213.62 : x - Step 2: Convert to fraction form
798,785.82/1,102,327.11 = 436,213.62/x - Step 3: Cross multiply
798,785.82x = 1,102,327.11 × 436,213.62 - Step 4: Simplify right side
798,785.82x = 480,850,099,077.24 - Step 5: Solve for x
x = 480,850,099,077.24/798,785.82 - Step 6: Final answer
x = 601,976.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.