Finding the Fourth Proportional to 554,278.44, 764,904.84 and 299,629.68
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Solution
The fourth proportional to 554,278.44, 764,904.84 and 299,629.68 is: 413,489.28
Step by Step Solution
- Step 1: Write the proportion equation
554,278.44 : 764,904.84 = 299,629.68 : x - Step 2: Convert to fraction form
554,278.44/764,904.84 = 299,629.68/x - Step 3: Cross multiply
554,278.44x = 764,904.84 × 299,629.68 - Step 4: Simplify right side
554,278.44x = 229,188,192,439.65 - Step 5: Solve for x
x = 229,188,192,439.65/554,278.44 - Step 6: Final answer
x = 413,489.28
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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.