Finding the Fourth Proportional to 816,628.94, 1,126,918.44 and 449,102.91
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Solution
The fourth proportional to 816,628.94, 1,126,918.44 and 449,102.91 is: 619,745.79
Step by Step Solution
- Step 1: Write the proportion equation
816,628.94 : 1,126,918.44 = 449,102.91 : x - Step 2: Convert to fraction form
816,628.94/1,126,918.44 = 449,102.91/x - Step 3: Cross multiply
816,628.94x = 1,126,918.44 × 449,102.91 - Step 4: Simplify right side
816,628.94x = 506,102,350,736.66 - Step 5: Solve for x
x = 506,102,350,736.66/816,628.94 - Step 6: Final answer
x = 619,745.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.