Finding the Fourth Proportional to 734,872.26, 1,102,309.20 and 291,640.26
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Solution
The fourth proportional to 734,872.26, 1,102,309.20 and 291,640.26 is: 437,460.71
Step by Step Solution
- Step 1: Write the proportion equation
734,872.26 : 1,102,309.20 = 291,640.26 : x - Step 2: Convert to fraction form
734,872.26/1,102,309.20 = 291,640.26/x - Step 3: Cross multiply
734,872.26x = 1,102,309.20 × 291,640.26 - Step 4: Simplify right side
734,872.26x = 321,477,741,688.39 - Step 5: Solve for x
x = 321,477,741,688.39/734,872.26 - Step 6: Final answer
x = 437,460.71
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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.