Finding the Fourth Proportional to 741,219.54, 1,022,883.84 and 401,687.79
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Solution
The fourth proportional to 741,219.54, 1,022,883.84 and 401,687.79 is: 554,329.62
Step by Step Solution
- Step 1: Write the proportion equation
741,219.54 : 1,022,883.84 = 401,687.79 : x - Step 2: Convert to fraction form
741,219.54/1,022,883.84 = 401,687.79/x - Step 3: Cross multiply
741,219.54x = 1,022,883.84 × 401,687.79 - Step 4: Simplify right side
741,219.54x = 410,879,949,116.31 - Step 5: Solve for x
x = 410,879,949,116.31/741,219.54 - Step 6: Final answer
x = 554,329.62
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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.