Finding the Fourth Proportional to 852,142.20, 1,176,382.36 and 529,956.08
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Solution
The fourth proportional to 852,142.20, 1,176,382.36 and 529,956.08 is: 731,604.40
Step by Step Solution
- Step 1: Write the proportion equation
852,142.20 : 1,176,382.36 = 529,956.08 : x - Step 2: Convert to fraction form
852,142.20/1,176,382.36 = 529,956.08/x - Step 3: Cross multiply
852,142.20x = 1,176,382.36 × 529,956.08 - Step 4: Simplify right side
852,142.20x = 623,430,984,086.75 - Step 5: Solve for x
x = 623,430,984,086.75/852,142.20 - Step 6: Final answer
x = 731,604.40
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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.