Finding the Fourth Proportional to 728,961.48, 1,093,451.94 and 255,660.66
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Solution
The fourth proportional to 728,961.48, 1,093,451.94 and 255,660.66 is: 383,494.40
Step by Step Solution
- Step 1: Write the proportion equation
728,961.48 : 1,093,451.94 = 255,660.66 : x - Step 2: Convert to fraction form
728,961.48/1,093,451.94 = 255,660.66/x - Step 3: Cross multiply
728,961.48x = 1,093,451.94 × 255,660.66 - Step 4: Simplify right side
728,961.48x = 279,552,644,658.68 - Step 5: Solve for x
x = 279,552,644,658.68/728,961.48 - Step 6: Final answer
x = 383,494.40
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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.