Finding the Fourth Proportional to 789,992.09, 1,089,884.67 and 548,153.63
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Solution
The fourth proportional to 789,992.09, 1,089,884.67 and 548,153.63 is: 756,240.78
Step by Step Solution
- Step 1: Write the proportion equation
789,992.09 : 1,089,884.67 = 548,153.63 : x - Step 2: Convert to fraction form
789,992.09/1,089,884.67 = 548,153.63/x - Step 3: Cross multiply
789,992.09x = 1,089,884.67 × 548,153.63 - Step 4: Simplify right side
789,992.09x = 597,424,238,141.85 - Step 5: Solve for x
x = 597,424,238,141.85/789,992.09 - Step 6: Final answer
x = 756,240.78
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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.