Finding the Fourth Proportional to 796,795.21, 1,099,538.24 and 434,217.95
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Solution
The fourth proportional to 796,795.21, 1,099,538.24 and 434,217.95 is: 599,199.44
Step by Step Solution
- Step 1: Write the proportion equation
796,795.21 : 1,099,538.24 = 434,217.95 : x - Step 2: Convert to fraction form
796,795.21/1,099,538.24 = 434,217.95/x - Step 3: Cross multiply
796,795.21x = 1,099,538.24 × 434,217.95 - Step 4: Simplify right side
796,795.21x = 477,439,240,519.41 - Step 5: Solve for x
x = 477,439,240,519.41/796,795.21 - Step 6: Final answer
x = 599,199.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.