Finding the Fourth Proportional to 691,119.24, 1,036,766.52 and 270,340.44
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Solution
The fourth proportional to 691,119.24, 1,036,766.52 and 270,340.44 is: 405,544.95
Step by Step Solution
- Step 1: Write the proportion equation
691,119.24 : 1,036,766.52 = 270,340.44 : x - Step 2: Convert to fraction form
691,119.24/1,036,766.52 = 270,340.44/x - Step 3: Cross multiply
691,119.24x = 1,036,766.52 × 270,340.44 - Step 4: Simplify right side
691,119.24x = 280,279,917,194.07 - Step 5: Solve for x
x = 280,279,917,194.07/691,119.24 - Step 6: Final answer
x = 405,544.95
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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.