Finding the Fourth Proportional to 799,653.44, 1,200,074.16 and 378,930.80
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Solution
The fourth proportional to 799,653.44, 1,200,074.16 and 378,930.80 is: 568,677.68
Step by Step Solution
- Step 1: Write the proportion equation
799,653.44 : 1,200,074.16 = 378,930.80 : x - Step 2: Convert to fraction form
799,653.44/1,200,074.16 = 378,930.80/x - Step 3: Cross multiply
799,653.44x = 1,200,074.16 × 378,930.80 - Step 4: Simplify right side
799,653.44x = 454,745,061,508.13 - Step 5: Solve for x
x = 454,745,061,508.13/799,653.44 - Step 6: Final answer
x = 568,677.68
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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.