Finding the Fourth Proportional to 852,333.08, 1,278,707.70 and 283,713.08
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Solution
The fourth proportional to 852,333.08, 1,278,707.70 and 283,713.08 is: 425,638.88
Step by Step Solution
- Step 1: Write the proportion equation
852,333.08 : 1,278,707.70 = 283,713.08 : x - Step 2: Convert to fraction form
852,333.08/1,278,707.70 = 283,713.08/x - Step 3: Cross multiply
852,333.08x = 1,278,707.70 × 283,713.08 - Step 4: Simplify right side
852,333.08x = 362,786,099,986.72 - Step 5: Solve for x
x = 362,786,099,986.72/852,333.08 - Step 6: Final answer
x = 425,638.88
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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.