Finding the Fourth Proportional to 892,919.34, 1,339,375.36 and 324,299.34
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Solution
The fourth proportional to 892,919.34, 1,339,375.36 and 324,299.34 is: 486,447.68
Step by Step Solution
- Step 1: Write the proportion equation
892,919.34 : 1,339,375.36 = 324,299.34 : x - Step 2: Convert to fraction form
892,919.34/1,339,375.36 = 324,299.34/x - Step 3: Cross multiply
892,919.34x = 1,339,375.36 × 324,299.34 - Step 4: Simplify right side
892,919.34x = 434,358,545,260.26 - Step 5: Solve for x
x = 434,358,545,260.26/892,919.34 - Step 6: Final answer
x = 486,447.68
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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.