Finding the Fourth Proportional to 719,559.87, 1,079,142.76 and 270,245.98
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Solution
The fourth proportional to 719,559.87, 1,079,142.76 and 270,245.98 is: 405,294.97
Step by Step Solution
- Step 1: Write the proportion equation
719,559.87 : 1,079,142.76 = 270,245.98 : x - Step 2: Convert to fraction form
719,559.87/1,079,142.76 = 270,245.98/x - Step 3: Cross multiply
719,559.87x = 1,079,142.76 × 270,245.98 - Step 4: Simplify right side
719,559.87x = 291,633,992,736.11 - Step 5: Solve for x
x = 291,633,992,736.11/719,559.87 - Step 6: Final answer
x = 405,294.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.