Finding the Fourth Proportional to 1,206,857.99, 1,810,286.98 and 308,301.70
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Solution
The fourth proportional to 1,206,857.99, 1,810,286.98 and 308,301.70 is: 462,452.55
Step by Step Solution
- Step 1: Write the proportion equation
1,206,857.99 : 1,810,286.98 = 308,301.70 : x - Step 2: Convert to fraction form
1,206,857.99/1,810,286.98 = 308,301.70/x - Step 3: Cross multiply
1,206,857.99x = 1,810,286.98 × 308,301.70 - Step 4: Simplify right side
1,206,857.99x = 558,114,548,125.39 - Step 5: Solve for x
x = 558,114,548,125.39/1,206,857.99 - Step 6: Final answer
x = 462,452.55
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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.