Finding the Fourth Proportional to 611,535.42, 844,318.56 and 397,286.10
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Solution
The fourth proportional to 611,535.42, 844,318.56 and 397,286.10 is: 548,514.47
Step by Step Solution
- Step 1: Write the proportion equation
611,535.42 : 844,318.56 = 397,286.10 : x - Step 2: Convert to fraction form
611,535.42/844,318.56 = 397,286.10/x - Step 3: Cross multiply
611,535.42x = 844,318.56 × 397,286.10 - Step 4: Simplify right side
611,535.42x = 335,436,027,860.02 - Step 5: Solve for x
x = 335,436,027,860.02/611,535.42 - Step 6: Final answer
x = 548,514.47
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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.