Finding the Fourth Proportional to 820,065.83, 1,229,025.27 and 440,542.99
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Solution
The fourth proportional to 820,065.83, 1,229,025.27 and 440,542.99 is: 660,237.81
Step by Step Solution
- Step 1: Write the proportion equation
820,065.83 : 1,229,025.27 = 440,542.99 : x - Step 2: Convert to fraction form
820,065.83/1,229,025.27 = 440,542.99/x - Step 3: Cross multiply
820,065.83x = 1,229,025.27 × 440,542.99 - Step 4: Simplify right side
820,065.83x = 541,438,467,231.36 - Step 5: Solve for x
x = 541,438,467,231.36/820,065.83 - Step 6: Final answer
x = 660,237.81
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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.