Finding the Fourth Proportional to 811,073.26, 1,119,286.91 and 443,552.02
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Solution
The fourth proportional to 811,073.26, 1,119,286.91 and 443,552.02 is: 612,104.97
Step by Step Solution
- Step 1: Write the proportion equation
811,073.26 : 1,119,286.91 = 443,552.02 : x - Step 2: Convert to fraction form
811,073.26/1,119,286.91 = 443,552.02/x - Step 3: Cross multiply
811,073.26x = 1,119,286.91 × 443,552.02 - Step 4: Simplify right side
811,073.26x = 496,461,969,890.06 - Step 5: Solve for x
x = 496,461,969,890.06/811,073.26 - Step 6: Final answer
x = 612,104.97
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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.