Finding the Fourth Proportional to 713,832.75, 985,089.20 and 412,026.75
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Solution
The fourth proportional to 713,832.75, 985,089.20 and 412,026.75 is: 568,596.92
Step by Step Solution
- Step 1: Write the proportion equation
713,832.75 : 985,089.20 = 412,026.75 : x - Step 2: Convert to fraction form
713,832.75/985,089.20 = 412,026.75/x - Step 3: Cross multiply
713,832.75x = 985,089.20 × 412,026.75 - Step 4: Simplify right side
713,832.75x = 405,883,099,475.97 - Step 5: Solve for x
x = 405,883,099,475.97/713,832.75 - Step 6: Final answer
x = 568,596.92
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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.