Finding the Fourth Proportional to 471,815.40, 707,723.10 and 366,709.80
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Solution
The fourth proportional to 471,815.40, 707,723.10 and 366,709.80 is: 550,064.70
Step by Step Solution
- Step 1: Write the proportion equation
471,815.40 : 707,723.10 = 366,709.80 : x - Step 2: Convert to fraction form
471,815.40/707,723.10 = 366,709.80/x - Step 3: Cross multiply
471,815.40x = 707,723.10 × 366,709.80 - Step 4: Simplify right side
471,815.40x = 259,528,996,456.38 - Step 5: Solve for x
x = 259,528,996,456.38/471,815.40 - Step 6: Final answer
x = 550,064.70
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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.