Finding the Fourth Proportional to 443,841.12, 665,756.16 and 422,324.70
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Solution
The fourth proportional to 443,841.12, 665,756.16 and 422,324.70 is: 633,481.80
Step by Step Solution
- Step 1: Write the proportion equation
443,841.12 : 665,756.16 = 422,324.70 : x - Step 2: Convert to fraction form
443,841.12/665,756.16 = 422,324.70/x - Step 3: Cross multiply
443,841.12x = 665,756.16 × 422,324.70 - Step 4: Simplify right side
443,841.12x = 281,165,270,545.15 - Step 5: Solve for x
x = 281,165,270,545.15/443,841.12 - Step 6: Final answer
x = 633,481.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.