Finding the Fourth Proportional to 486,824.99, 729,584.75 and 378,884.70
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Solution
The fourth proportional to 486,824.99, 729,584.75 and 378,884.70 is: 567,819.03
Step by Step Solution
- Step 1: Write the proportion equation
486,824.99 : 729,584.75 = 378,884.70 : x - Step 2: Convert to fraction form
486,824.99/729,584.75 = 378,884.70/x - Step 3: Cross multiply
486,824.99x = 729,584.75 × 378,884.70 - Step 4: Simplify right side
486,824.99x = 276,428,494,533.19 - Step 5: Solve for x
x = 276,428,494,533.19/486,824.99 - Step 6: Final answer
x = 567,819.03
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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.