Finding the Fourth Proportional to 642,906.73, 964,163.22 and 444,502.09
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Solution
The fourth proportional to 642,906.73, 964,163.22 and 444,502.09 is: 666,617.02
Step by Step Solution
- Step 1: Write the proportion equation
642,906.73 : 964,163.22 = 444,502.09 : x - Step 2: Convert to fraction form
642,906.73/964,163.22 = 444,502.09/x - Step 3: Cross multiply
642,906.73x = 964,163.22 × 444,502.09 - Step 4: Simplify right side
642,906.73x = 428,572,566,391.13 - Step 5: Solve for x
x = 428,572,566,391.13/642,906.73 - Step 6: Final answer
x = 666,617.02
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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.