Finding the Fourth Proportional to 756,884.29, 1,135,357.41 and 352,453.31
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Solution
The fourth proportional to 756,884.29, 1,135,357.41 and 352,453.31 is: 528,694.39
Step by Step Solution
- Step 1: Write the proportion equation
756,884.29 : 1,135,357.41 = 352,453.31 : x - Step 2: Convert to fraction form
756,884.29/1,135,357.41 = 352,453.31/x - Step 3: Cross multiply
756,884.29x = 1,135,357.41 × 352,453.31 - Step 4: Simplify right side
756,884.29x = 400,160,477,187.53 - Step 5: Solve for x
x = 400,160,477,187.53/756,884.29 - Step 6: Final answer
x = 528,694.39
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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.