Finding the Fourth Proportional to 880,956.97, 1,215,431.49 and 493,715.81
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Solution
The fourth proportional to 880,956.97, 1,215,431.49 and 493,715.81 is: 681,165.79
Step by Step Solution
- Step 1: Write the proportion equation
880,956.97 : 1,215,431.49 = 493,715.81 : x - Step 2: Convert to fraction form
880,956.97/1,215,431.49 = 493,715.81/x - Step 3: Cross multiply
880,956.97x = 1,215,431.49 × 493,715.81 - Step 4: Simplify right side
880,956.97x = 600,077,747,474.87 - Step 5: Solve for x
x = 600,077,747,474.87/880,956.97 - Step 6: Final answer
x = 681,165.79
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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.