Finding the Fourth Proportional to 784,991.21, 1,177,723.26 and 245,225.66
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Solution
The fourth proportional to 784,991.21, 1,177,723.26 and 245,225.66 is: 367,912.35
Step by Step Solution
- Step 1: Write the proportion equation
784,991.21 : 1,177,723.26 = 245,225.66 : x - Step 2: Convert to fraction form
784,991.21/1,177,723.26 = 245,225.66/x - Step 3: Cross multiply
784,991.21x = 1,177,723.26 × 245,225.66 - Step 4: Simplify right side
784,991.21x = 288,807,957,842.24 - Step 5: Solve for x
x = 288,807,957,842.24/784,991.21 - Step 6: Final answer
x = 367,912.35
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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.