Finding the Fourth Proportional to 741,105.99, 1,022,331.85 and 450,806.31
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Solution
The fourth proportional to 741,105.99, 1,022,331.85 and 450,806.31 is: 621,872.79
Step by Step Solution
- Step 1: Write the proportion equation
741,105.99 : 1,022,331.85 = 450,806.31 : x - Step 2: Convert to fraction form
741,105.99/1,022,331.85 = 450,806.31/x - Step 3: Cross multiply
741,105.99x = 1,022,331.85 × 450,806.31 - Step 4: Simplify right side
741,105.99x = 460,873,647,766.96 - Step 5: Solve for x
x = 460,873,647,766.96/741,105.99 - Step 6: Final answer
x = 621,872.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.