Finding the Fourth Proportional to 796,796.21, 1,099,539.62 and 434,218.95
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Solution
The fourth proportional to 796,796.21, 1,099,539.62 and 434,218.95 is: 599,200.82
Step by Step Solution
- Step 1: Write the proportion equation
796,796.21 : 1,099,539.62 = 434,218.95 : x - Step 2: Convert to fraction form
796,796.21/1,099,539.62 = 434,218.95/x - Step 3: Cross multiply
796,796.21x = 1,099,539.62 × 434,218.95 - Step 4: Simplify right side
796,796.21x = 477,440,939,279.80 - Step 5: Solve for x
x = 477,440,939,279.80/796,796.21 - Step 6: Final answer
x = 599,200.82
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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.