Finding the Fourth Proportional to 945,949.71, 1,305,410.26 and 516,229.84
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Solution
The fourth proportional to 945,949.71, 1,305,410.26 and 516,229.84 is: 712,396.99
Step by Step Solution
- Step 1: Write the proportion equation
945,949.71 : 1,305,410.26 = 516,229.84 : x - Step 2: Convert to fraction form
945,949.71/1,305,410.26 = 516,229.84/x - Step 3: Cross multiply
945,949.71x = 1,305,410.26 × 516,229.84 - Step 4: Simplify right side
945,949.71x = 673,891,727,073.01 - Step 5: Solve for x
x = 673,891,727,073.01/945,949.71 - Step 6: Final answer
x = 712,396.99
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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.