Finding the Fourth Proportional to 1,040,529.12, 1,560,794.30 and 292,575.12
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Solution
The fourth proportional to 1,040,529.12, 1,560,794.30 and 292,575.12 is: 438,862.85
Step by Step Solution
- Step 1: Write the proportion equation
1,040,529.12 : 1,560,794.30 = 292,575.12 : x - Step 2: Convert to fraction form
1,040,529.12/1,560,794.30 = 292,575.12/x - Step 3: Cross multiply
1,040,529.12x = 1,560,794.30 × 292,575.12 - Step 4: Simplify right side
1,040,529.12x = 456,649,579,617.82 - Step 5: Solve for x
x = 456,649,579,617.82/1,040,529.12 - Step 6: Final answer
x = 438,862.85
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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.