Finding the Fourth Proportional to 992,048.94, 1,487,716.60 and 343,449.01
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Solution
The fourth proportional to 992,048.94, 1,487,716.60 and 343,449.01 is: 515,049.99
Step by Step Solution
- Step 1: Write the proportion equation
992,048.94 : 1,487,716.60 = 343,449.01 : x - Step 2: Convert to fraction form
992,048.94/1,487,716.60 = 343,449.01/x - Step 3: Cross multiply
992,048.94x = 1,487,716.60 × 343,449.01 - Step 4: Simplify right side
992,048.94x = 510,954,797,149.86 - Step 5: Solve for x
x = 510,954,797,149.86/992,048.94 - Step 6: Final answer
x = 515,049.99
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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.