Finding the Fourth Proportional to 440,512.60, 617,961.80 and 440,512.60
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Solution
The fourth proportional to 440,512.60, 617,961.80 and 440,512.60 is: 617,961.80
Step by Step Solution
- Step 1: Write the proportion equation
440,512.60 : 617,961.80 = 440,512.60 : x - Step 2: Convert to fraction form
440,512.60/617,961.80 = 440,512.60/x - Step 3: Cross multiply
440,512.60x = 617,961.80 × 440,512.60 - Step 4: Simplify right side
440,512.60x = 272,219,959,218.68 - Step 5: Solve for x
x = 272,219,959,218.68/440,512.60 - Step 6: Final answer
x = 617,961.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.