Finding the Fourth Proportional to 818,611.52, 1,227,860.37 and 306,179.19
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Solution
The fourth proportional to 818,611.52, 1,227,860.37 and 306,179.19 is: 459,247.50
Step by Step Solution
- Step 1: Write the proportion equation
818,611.52 : 1,227,860.37 = 306,179.19 : x - Step 2: Convert to fraction form
818,611.52/1,227,860.37 = 306,179.19/x - Step 3: Cross multiply
818,611.52x = 1,227,860.37 × 306,179.19 - Step 4: Simplify right side
818,611.52x = 375,945,293,519.70 - Step 5: Solve for x
x = 375,945,293,519.70/818,611.52 - Step 6: Final answer
x = 459,247.50
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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.