Finding the Fourth Proportional to 448,204.10, 672,306.15 and 445,093.70
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Solution
The fourth proportional to 448,204.10, 672,306.15 and 445,093.70 is: 667,640.55
Step by Step Solution
- Step 1: Write the proportion equation
448,204.10 : 672,306.15 = 445,093.70 : x - Step 2: Convert to fraction form
448,204.10/672,306.15 = 445,093.70/x - Step 3: Cross multiply
448,204.10x = 672,306.15 × 445,093.70 - Step 4: Simplify right side
448,204.10x = 299,239,231,836.26 - Step 5: Solve for x
x = 299,239,231,836.26/448,204.10 - Step 6: Final answer
x = 667,640.55
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1.5x scale
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.