Finding the Fourth Proportional to 605,910.36, 836,057.58 and 351,211.80
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Solution
The fourth proportional to 605,910.36, 836,057.58 and 351,211.80 is: 484,615.06
Step by Step Solution
- Step 1: Write the proportion equation
605,910.36 : 836,057.58 = 351,211.80 : x - Step 2: Convert to fraction form
605,910.36/836,057.58 = 351,211.80/x - Step 3: Cross multiply
605,910.36x = 836,057.58 × 351,211.80 - Step 4: Simplify right side
605,910.36x = 293,633,287,575.44 - Step 5: Solve for x
x = 293,633,287,575.44/605,910.36 - Step 6: Final answer
x = 484,615.06
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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.