Finding the Fourth Proportional to 816,103.24, 1,126,198.77 and 467,231.98
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Solution
The fourth proportional to 816,103.24, 1,126,198.77 and 467,231.98 is: 644,766.56
Step by Step Solution
- Step 1: Write the proportion equation
816,103.24 : 1,126,198.77 = 467,231.98 : x - Step 2: Convert to fraction form
816,103.24/1,126,198.77 = 467,231.98/x - Step 3: Cross multiply
816,103.24x = 1,126,198.77 × 467,231.98 - Step 4: Simplify right side
816,103.24x = 526,196,078,365.17 - Step 5: Solve for x
x = 526,196,078,365.17/816,103.24 - Step 6: Final answer
x = 644,766.56
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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.