Finding the Fourth Proportional to 757,556.91, 1,045,450.77 and 413,415.05
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Solution
The fourth proportional to 757,556.91, 1,045,450.77 and 413,415.05 is: 570,524.90
Step by Step Solution
- Step 1: Write the proportion equation
757,556.91 : 1,045,450.77 = 413,415.05 : x - Step 2: Convert to fraction form
757,556.91/1,045,450.77 = 413,415.05/x - Step 3: Cross multiply
757,556.91x = 1,045,450.77 × 413,415.05 - Step 4: Simplify right side
757,556.91x = 432,205,076,745.69 - Step 5: Solve for x
x = 432,205,076,745.69/757,556.91 - Step 6: Final answer
x = 570,524.90
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1.5x scale
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.