Finding the Fourth Proportional to 1,040,525.75, 1,560,789.23 and 292,571.75
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Solution
The fourth proportional to 1,040,525.75, 1,560,789.23 and 292,571.75 is: 438,857.80
Step by Step Solution
- Step 1: Write the proportion equation
1,040,525.75 : 1,560,789.23 = 292,571.75 : x - Step 2: Convert to fraction form
1,040,525.75/1,560,789.23 = 292,571.75/x - Step 3: Cross multiply
1,040,525.75x = 1,560,789.23 × 292,571.75 - Step 4: Simplify right side
1,040,525.75x = 456,642,836,402.25 - Step 5: Solve for x
x = 456,642,836,402.25/1,040,525.75 - Step 6: Final answer
x = 438,857.80
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1.5x scale
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.