Finding the Fourth Proportional to 672,305.75, 927,782.09 and 366,382.21
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Solution
The fourth proportional to 672,305.75, 927,782.09 and 366,382.21 is: 505,607.53
Step by Step Solution
- Step 1: Write the proportion equation
672,305.75 : 927,782.09 = 366,382.21 : x - Step 2: Convert to fraction form
672,305.75/927,782.09 = 366,382.21/x - Step 3: Cross multiply
672,305.75x = 927,782.09 × 366,382.21 - Step 4: Simplify right side
672,305.75x = 339,922,852,532.62 - Step 5: Solve for x
x = 339,922,852,532.62/672,305.75 - Step 6: Final answer
x = 505,607.53
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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.