Finding the Fourth Proportional to 728,936.26, 1,093,411.59 and 255,632.98
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Solution
The fourth proportional to 728,936.26, 1,093,411.59 and 255,632.98 is: 383,451.99
Step by Step Solution
- Step 1: Write the proportion equation
728,936.26 : 1,093,411.59 = 255,632.98 : x - Step 2: Convert to fraction form
728,936.26/1,093,411.59 = 255,632.98/x - Step 3: Cross multiply
728,936.26x = 1,093,411.59 × 255,632.98 - Step 4: Simplify right side
728,936.26x = 279,512,063,118.24 - Step 5: Solve for x
x = 279,512,063,118.24/728,936.26 - Step 6: Final answer
x = 383,451.99
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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.