Finding the Fourth Proportional to 824,942.97, 1,138,170.60 and 519,324.44
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Solution
The fourth proportional to 824,942.97, 1,138,170.60 and 519,324.44 is: 716,509.90
Step by Step Solution
- Step 1: Write the proportion equation
824,942.97 : 1,138,170.60 = 519,324.44 : x - Step 2: Convert to fraction form
824,942.97/1,138,170.60 = 519,324.44/x - Step 3: Cross multiply
824,942.97x = 1,138,170.60 × 519,324.44 - Step 4: Simplify right side
824,942.97x = 591,079,803,778.61 - Step 5: Solve for x
x = 591,079,803,778.61/824,942.97 - Step 6: Final answer
x = 716,509.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.