Finding the Fourth Proportional to 503,399.58, 694,705.38 and 273,958.98
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Solution
The fourth proportional to 503,399.58, 694,705.38 and 273,958.98 is: 378,070.99
Step by Step Solution
- Step 1: Write the proportion equation
503,399.58 : 694,705.38 = 273,958.98 : x - Step 2: Convert to fraction form
503,399.58/694,705.38 = 273,958.98/x - Step 3: Cross multiply
503,399.58x = 694,705.38 × 273,958.98 - Step 4: Simplify right side
503,399.58x = 190,320,777,305.31 - Step 5: Solve for x
x = 190,320,777,305.31/503,399.58 - Step 6: Final answer
x = 378,070.99
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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.