Finding the Fourth Proportional to 741,828.12, 1,112,729.96 and 236,382.26
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Solution
The fourth proportional to 741,828.12, 1,112,729.96 and 236,382.26 is: 354,569.50
Step by Step Solution
- Step 1: Write the proportion equation
741,828.12 : 1,112,729.96 = 236,382.26 : x - Step 2: Convert to fraction form
741,828.12/1,112,729.96 = 236,382.26/x - Step 3: Cross multiply
741,828.12x = 1,112,729.96 × 236,382.26 - Step 4: Simplify right side
741,828.12x = 263,029,622,714.51 - Step 5: Solve for x
x = 263,029,622,714.51/741,828.12 - Step 6: Final answer
x = 354,569.50
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1.5x scale
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.