Finding the Fourth Proportional to 471,822.07, 707,234.55 and 321,690.19
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Solution
The fourth proportional to 471,822.07, 707,234.55 and 321,690.19 is: 482,195.37
Step by Step Solution
- Step 1: Write the proportion equation
471,822.07 : 707,234.55 = 321,690.19 : x - Step 2: Convert to fraction form
471,822.07/707,234.55 = 321,690.19/x - Step 3: Cross multiply
471,822.07x = 707,234.55 × 321,690.19 - Step 4: Simplify right side
471,822.07x = 227,510,416,764.07 - Step 5: Solve for x
x = 227,510,416,764.07/471,822.07 - Step 6: Final answer
x = 482,195.37
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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.