Finding the Fourth Proportional to 911,414.82, 1,257,748.42 and 503,516.74
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Solution
The fourth proportional to 911,414.82, 1,257,748.42 and 503,516.74 is: 694,850.87
Step by Step Solution
- Step 1: Write the proportion equation
911,414.82 : 1,257,748.42 = 503,516.74 : x - Step 2: Convert to fraction form
911,414.82/1,257,748.42 = 503,516.74/x - Step 3: Cross multiply
911,414.82x = 1,257,748.42 × 503,516.74 - Step 4: Simplify right side
911,414.82x = 633,297,384,178.55 - Step 5: Solve for x
x = 633,297,384,178.55/911,414.82 - Step 6: Final answer
x = 694,850.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.