Finding the Fourth Proportional to 512,053.35, 706,618.94 and 285,693.99
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Solution
The fourth proportional to 512,053.35, 706,618.94 and 285,693.99 is: 394,249.51
Step by Step Solution
- Step 1: Write the proportion equation
512,053.35 : 706,618.94 = 285,693.99 : x - Step 2: Convert to fraction form
512,053.35/706,618.94 = 285,693.99/x - Step 3: Cross multiply
512,053.35x = 706,618.94 × 285,693.99 - Step 4: Simplify right side
512,053.35x = 201,876,782,949.70 - Step 5: Solve for x
x = 201,876,782,949.70/512,053.35 - Step 6: Final answer
x = 394,249.51
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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.