Finding the Fourth Proportional to 538,131.99, 807,199.00 and 505,249.08
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Solution
The fourth proportional to 538,131.99, 807,199.00 and 505,249.08 is: 757,874.57
Step by Step Solution
- Step 1: Write the proportion equation
538,131.99 : 807,199.00 = 505,249.08 : x - Step 2: Convert to fraction form
538,131.99/807,199.00 = 505,249.08/x - Step 3: Cross multiply
538,131.99x = 807,199.00 × 505,249.08 - Step 4: Simplify right side
538,131.99x = 407,836,550,678.83 - Step 5: Solve for x
x = 407,836,550,678.83/538,131.99 - Step 6: Final answer
x = 757,874.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.