Finding the Fourth Proportional to 756,718.52, 1,135,073.67 and 324,372.31
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Solution
The fourth proportional to 756,718.52, 1,135,073.67 and 324,372.31 is: 486,556.70
Step by Step Solution
- Step 1: Write the proportion equation
756,718.52 : 1,135,073.67 = 324,372.31 : x - Step 2: Convert to fraction form
756,718.52/1,135,073.67 = 324,372.31/x - Step 3: Cross multiply
756,718.52x = 1,135,073.67 × 324,372.31 - Step 4: Simplify right side
756,718.52x = 368,186,468,358.08 - Step 5: Solve for x
x = 368,186,468,358.08/756,718.52 - Step 6: Final answer
x = 486,556.70
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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.