Finding the Fourth Proportional to 606, 837.36 and 487.74
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Solution
The fourth proportional to 606, 837.36 and 487.74 is: 673.95
Step by Step Solution
- Step 1: Write the proportion equation
606 : 837.36 = 487.74 : x - Step 2: Convert to fraction form
606/837.36 = 487.74/x - Step 3: Cross multiply
606x = 837.36 × 487.74 - Step 4: Simplify right side
606x = 408,413.97 - Step 5: Solve for x
x = 408,413.97/606 - Step 6: Final answer
x = 673.95
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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.