Finding the Fourth Proportional to 864,481.53, 1,296,703.97 and 288,146.49
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Solution
The fourth proportional to 864,481.53, 1,296,703.97 and 288,146.49 is: 432,213.63
Step by Step Solution
- Step 1: Write the proportion equation
864,481.53 : 1,296,703.97 = 288,146.49 : x - Step 2: Convert to fraction form
864,481.53/1,296,703.97 = 288,146.49/x - Step 3: Cross multiply
864,481.53x = 1,296,703.97 × 288,146.49 - Step 4: Simplify right side
864,481.53x = 373,640,697,524.57 - Step 5: Solve for x
x = 373,640,697,524.57/864,481.53 - Step 6: Final answer
x = 432,213.63
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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.