Finding the Fourth Proportional to 686,928.14, 946,865.52 and 541,496.75
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Solution
The fourth proportional to 686,928.14, 946,865.52 and 541,496.75 is: 746,402.09
Step by Step Solution
- Step 1: Write the proportion equation
686,928.14 : 946,865.52 = 541,496.75 : x - Step 2: Convert to fraction form
686,928.14/946,865.52 = 541,496.75/x - Step 3: Cross multiply
686,928.14x = 946,865.52 × 541,496.75 - Step 4: Simplify right side
686,928.14x = 512,724,601,767.06 - Step 5: Solve for x
x = 512,724,601,767.06/686,928.14 - Step 6: Final answer
x = 746,402.09
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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.