Finding the Fourth Proportional to 858,808.14, 1,288,212.27 and 267,832.14
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Solution
The fourth proportional to 858,808.14, 1,288,212.27 and 267,832.14 is: 401,748.23
Step by Step Solution
- Step 1: Write the proportion equation
858,808.14 : 1,288,212.27 = 267,832.14 : x - Step 2: Convert to fraction form
858,808.14/1,288,212.27 = 267,832.14/x - Step 3: Cross multiply
858,808.14x = 1,288,212.27 × 267,832.14 - Step 4: Simplify right side
858,808.14x = 345,024,649,048.36 - Step 5: Solve for x
x = 345,024,649,048.36/858,808.14 - Step 6: Final answer
x = 401,748.23
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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.