Finding the Fourth Proportional to 1,040,526.75, 1,560,790.73 and 292,572.75
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Solution
The fourth proportional to 1,040,526.75, 1,560,790.73 and 292,572.75 is: 438,859.30
Step by Step Solution
- Step 1: Write the proportion equation
1,040,526.75 : 1,560,790.73 = 292,572.75 : x - Step 2: Convert to fraction form
1,040,526.75/1,560,790.73 = 292,572.75/x - Step 3: Cross multiply
1,040,526.75x = 1,560,790.73 × 292,572.75 - Step 4: Simplify right side
1,040,526.75x = 456,644,836,050.61 - Step 5: Solve for x
x = 456,644,836,050.61/1,040,526.75 - Step 6: Final answer
x = 438,859.30
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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.