Finding the Fourth Proportional to 486,310.70, 727,716.45 and 328,846.70
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Solution
The fourth proportional to 486,310.70, 727,716.45 and 328,846.70 is: 492,086.96
Step by Step Solution
- Step 1: Write the proportion equation
486,310.70 : 727,716.45 = 328,846.70 : x - Step 2: Convert to fraction form
486,310.70/727,716.45 = 328,846.70/x - Step 3: Cross multiply
486,310.70x = 727,716.45 × 328,846.70 - Step 4: Simplify right side
486,310.70x = 239,307,153,118.22 - Step 5: Solve for x
x = 239,307,153,118.22/486,310.70 - Step 6: Final answer
x = 492,086.96
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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.