Finding the Fourth Proportional to 799,675.12, 1,199,722.76 and 287,391.99
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Solution
The fourth proportional to 799,675.12, 1,199,722.76 and 287,391.99 is: 431,163.49
Step by Step Solution
- Step 1: Write the proportion equation
799,675.12 : 1,199,722.76 = 287,391.99 : x - Step 2: Convert to fraction form
799,675.12/1,199,722.76 = 287,391.99/x - Step 3: Cross multiply
799,675.12x = 1,199,722.76 × 287,391.99 - Step 4: Simplify right side
799,675.12x = 344,790,712,163.17 - Step 5: Solve for x
x = 344,790,712,163.17/799,675.12 - Step 6: Final answer
x = 431,163.49
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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.