Finding the Fourth Proportional to 437,517.80, 655,256.96 and 422,364.62
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Solution
The fourth proportional to 437,517.80, 655,256.96 and 422,364.62 is: 632,562.50
Step by Step Solution
- Step 1: Write the proportion equation
437,517.80 : 655,256.96 = 422,364.62 : x - Step 2: Convert to fraction form
437,517.80/655,256.96 = 422,364.62/x - Step 3: Cross multiply
437,517.80x = 655,256.96 × 422,364.62 - Step 4: Simplify right side
437,517.80x = 276,757,351,524.65 - Step 5: Solve for x
x = 276,757,351,524.65/437,517.80 - Step 6: Final answer
x = 632,562.50
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1.5x scale
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.