Finding the Fourth Proportional to 607,857.57, 911,786.37 and 233,793.09
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Solution
The fourth proportional to 607,857.57, 911,786.37 and 233,793.09 is: 350,689.64
Step by Step Solution
- Step 1: Write the proportion equation
607,857.57 : 911,786.37 = 233,793.09 : x - Step 2: Convert to fraction form
607,857.57/911,786.37 = 233,793.09/x - Step 3: Cross multiply
607,857.57x = 911,786.37 × 233,793.09 - Step 4: Simplify right side
607,857.57x = 213,169,352,862.18 - Step 5: Solve for x
x = 213,169,352,862.18/607,857.57 - Step 6: Final answer
x = 350,689.64
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Double scale
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Similar ratio
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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.