Finding the Fourth Proportional to 756,717.52, 1,135,072.17 and 324,371.31
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Solution
The fourth proportional to 756,717.52, 1,135,072.17 and 324,371.31 is: 486,555.20
Step by Step Solution
- Step 1: Write the proportion equation
756,717.52 : 1,135,072.17 = 324,371.31 : x - Step 2: Convert to fraction form
756,717.52/1,135,072.17 = 324,371.31/x - Step 3: Cross multiply
756,717.52x = 1,135,072.17 × 324,371.31 - Step 4: Simplify right side
756,717.52x = 368,184,846,727.44 - Step 5: Solve for x
x = 368,184,846,727.44/756,717.52 - Step 6: Final answer
x = 486,555.20
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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.