Finding the Fourth Proportional to 554,242.01, 764,872.88 and 321,651.05
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Solution
The fourth proportional to 554,242.01, 764,872.88 and 321,651.05 is: 443,889.42
Step by Step Solution
- Step 1: Write the proportion equation
554,242.01 : 764,872.88 = 321,651.05 : x - Step 2: Convert to fraction form
554,242.01/764,872.88 = 321,651.05/x - Step 3: Cross multiply
554,242.01x = 764,872.88 × 321,651.05 - Step 4: Simplify right side
554,242.01x = 246,022,163,838.31 - Step 5: Solve for x
x = 246,022,163,838.31/554,242.01 - Step 6: Final answer
x = 443,889.42
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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.