Finding the Fourth Proportional to 741,846.58, 1,112,614.15 and 209,243.05
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Solution
The fourth proportional to 741,846.58, 1,112,614.15 and 209,243.05 is: 313,820.65
Step by Step Solution
- Step 1: Write the proportion equation
741,846.58 : 1,112,614.15 = 209,243.05 : x - Step 2: Convert to fraction form
741,846.58/1,112,614.15 = 209,243.05/x - Step 3: Cross multiply
741,846.58x = 1,112,614.15 × 209,243.05 - Step 4: Simplify right side
741,846.58x = 232,806,771,609.87 - Step 5: Solve for x
x = 232,806,771,609.87/741,846.58 - Step 6: Final answer
x = 313,820.65
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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.