Finding the Fourth Proportional to 711,579.14, 1,067,367.88 and 231,806.18
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Solution
The fourth proportional to 711,579.14, 1,067,367.88 and 231,806.18 is: 347,708.99
Step by Step Solution
- Step 1: Write the proportion equation
711,579.14 : 1,067,367.88 = 231,806.18 : x - Step 2: Convert to fraction form
711,579.14/1,067,367.88 = 231,806.18/x - Step 3: Cross multiply
711,579.14x = 1,067,367.88 × 231,806.18 - Step 4: Simplify right side
711,579.14x = 247,422,467,669.56 - Step 5: Solve for x
x = 247,422,467,669.56/711,579.14 - Step 6: Final answer
x = 347,708.99
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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.