Finding the Fourth Proportional to 548,720.41, 827,193.40 and 512,142.84
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Solution
The fourth proportional to 548,720.41, 827,193.40 and 512,142.84 is: 772,052.89
Step by Step Solution
- Step 1: Write the proportion equation
548,720.41 : 827,193.40 = 512,142.84 : x - Step 2: Convert to fraction form
548,720.41/827,193.40 = 512,142.84/x - Step 3: Cross multiply
548,720.41x = 827,193.40 × 512,142.84 - Step 4: Simplify right side
548,720.41x = 423,641,177,105.26 - Step 5: Solve for x
x = 423,641,177,105.26/548,720.41 - Step 6: Final answer
x = 772,052.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.