Finding the Fourth Proportional to 711,433.76, 1,067,571.09 and 262,469.99
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Solution
The fourth proportional to 711,433.76, 1,067,571.09 and 262,469.99 is: 393,860.11
Step by Step Solution
- Step 1: Write the proportion equation
711,433.76 : 1,067,571.09 = 262,469.99 : x - Step 2: Convert to fraction form
711,433.76/1,067,571.09 = 262,469.99/x - Step 3: Cross multiply
711,433.76x = 1,067,571.09 × 262,469.99 - Step 4: Simplify right side
711,433.76x = 280,205,375,985.52 - Step 5: Solve for x
x = 280,205,375,985.52/711,433.76 - Step 6: Final answer
x = 393,860.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.