Finding the Fourth Proportional to 811,340.14, 1,217,074.22 and 271,599.62
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Solution
The fourth proportional to 811,340.14, 1,217,074.22 and 271,599.62 is: 407,420.87
Step by Step Solution
- Step 1: Write the proportion equation
811,340.14 : 1,217,074.22 = 271,599.62 : x - Step 2: Convert to fraction form
811,340.14/1,217,074.22 = 271,599.62/x - Step 3: Cross multiply
811,340.14x = 1,217,074.22 × 271,599.62 - Step 4: Simplify right side
811,340.14x = 330,556,901,035.74 - Step 5: Solve for x
x = 330,556,901,035.74/811,340.14 - Step 6: Final answer
x = 407,420.87
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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.