Finding the Fourth Proportional to 771,120.18, 1,156,493.97 and 297,503.46
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Solution
The fourth proportional to 771,120.18, 1,156,493.97 and 297,503.46 is: 446,183.31
Step by Step Solution
- Step 1: Write the proportion equation
771,120.18 : 1,156,493.97 = 297,503.46 : x - Step 2: Convert to fraction form
771,120.18/1,156,493.97 = 297,503.46/x - Step 3: Cross multiply
771,120.18x = 1,156,493.97 × 297,503.46 - Step 4: Simplify right side
771,120.18x = 344,060,957,544.14 - Step 5: Solve for x
x = 344,060,957,544.14/771,120.18 - Step 6: Final answer
x = 446,183.31
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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.