Finding the Fourth Proportional to 522,310.23, 720,522.84 and 341,128.23
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Solution
The fourth proportional to 522,310.23, 720,522.84 and 341,128.23 is: 470,583.70
Step by Step Solution
- Step 1: Write the proportion equation
522,310.23 : 720,522.84 = 341,128.23 : x - Step 2: Convert to fraction form
522,310.23/720,522.84 = 341,128.23/x - Step 3: Cross multiply
522,310.23x = 720,522.84 × 341,128.23 - Step 4: Simplify right side
522,310.23x = 245,790,681,083.77 - Step 5: Solve for x
x = 245,790,681,083.77/522,310.23 - Step 6: Final answer
x = 470,583.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.