Finding the Fourth Proportional to 494,606.07, 682,529.36 and 279,789.21
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Solution
The fourth proportional to 494,606.07, 682,529.36 and 279,789.21 is: 386,093.82
Step by Step Solution
- Step 1: Write the proportion equation
494,606.07 : 682,529.36 = 279,789.21 : x - Step 2: Convert to fraction form
494,606.07/682,529.36 = 279,789.21/x - Step 3: Cross multiply
494,606.07x = 682,529.36 × 279,789.21 - Step 4: Simplify right side
494,606.07x = 190,964,349,037.26 - Step 5: Solve for x
x = 190,964,349,037.26/494,606.07 - Step 6: Final answer
x = 386,093.82
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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.