Finding the Fourth Proportional to 512,316.24, 768,474.36 and 262,839.12
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Solution
The fourth proportional to 512,316.24, 768,474.36 and 262,839.12 is: 394,258.68
Step by Step Solution
- Step 1: Write the proportion equation
512,316.24 : 768,474.36 = 262,839.12 : x - Step 2: Convert to fraction form
512,316.24/768,474.36 = 262,839.12/x - Step 3: Cross multiply
512,316.24x = 768,474.36 × 262,839.12 - Step 4: Simplify right side
512,316.24x = 201,985,124,524.96 - Step 5: Solve for x
x = 201,985,124,524.96/512,316.24 - Step 6: Final answer
x = 394,258.68
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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.