Finding the Fourth Proportional to 819,825.49, 1,229,344.17 and 464,744.17
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Solution
The fourth proportional to 819,825.49, 1,229,344.17 and 464,744.17 is: 696,892.87
Step by Step Solution
- Step 1: Write the proportion equation
819,825.49 : 1,229,344.17 = 464,744.17 : x - Step 2: Convert to fraction form
819,825.49/1,229,344.17 = 464,744.17/x - Step 3: Cross multiply
819,825.49x = 1,229,344.17 × 464,744.17 - Step 4: Simplify right side
819,825.49x = 571,330,535,930.99 - Step 5: Solve for x
x = 571,330,535,930.99/819,825.49 - Step 6: Final answer
x = 696,892.87
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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.