Finding the Fourth Proportional to 852,733.54, 1,278,425.58 and 320,195.26
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Solution
The fourth proportional to 852,733.54, 1,278,425.58 and 320,195.26 is: 480,039.53
Step by Step Solution
- Step 1: Write the proportion equation
852,733.54 : 1,278,425.58 = 320,195.26 : x - Step 2: Convert to fraction form
852,733.54/1,278,425.58 = 320,195.26/x - Step 3: Cross multiply
852,733.54x = 1,278,425.58 × 320,195.26 - Step 4: Simplify right side
852,733.54x = 409,345,810,978.75 - Step 5: Solve for x
x = 409,345,810,978.75/852,733.54 - Step 6: Final answer
x = 480,039.53
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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.