Finding the Fourth Proportional to 852,589.64, 1,278,607.58 and 283,817.96
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Solution
The fourth proportional to 852,589.64, 1,278,607.58 and 283,817.96 is: 425,634.77
Step by Step Solution
- Step 1: Write the proportion equation
852,589.64 : 1,278,607.58 = 283,817.96 : x - Step 2: Convert to fraction form
852,589.64/1,278,607.58 = 283,817.96/x - Step 3: Cross multiply
852,589.64x = 1,278,607.58 × 283,817.96 - Step 4: Simplify right side
852,589.64x = 362,891,794,996.14 - Step 5: Solve for x
x = 362,891,794,996.14/852,589.64 - Step 6: Final answer
x = 425,634.77
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1.5x scale
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.