Finding the Fourth Proportional to 546,821.70, 820,232.55 and 422,405.70
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Solution
The fourth proportional to 546,821.70, 820,232.55 and 422,405.70 is: 633,608.55
Step by Step Solution
- Step 1: Write the proportion equation
546,821.70 : 820,232.55 = 422,405.70 : x - Step 2: Convert to fraction form
546,821.70/820,232.55 = 422,405.70/x - Step 3: Cross multiply
546,821.70x = 820,232.55 × 422,405.70 - Step 4: Simplify right side
546,821.70x = 346,470,904,445.54 - Step 5: Solve for x
x = 346,470,904,445.54/546,821.70 - Step 6: Final answer
x = 633,608.55
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1.5x scale
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.