Finding the Fourth Proportional to 848,239.50, 1,170,572.94 and 485,668.92
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Solution
The fourth proportional to 848,239.50, 1,170,572.94 and 485,668.92 is: 670,224.50
Step by Step Solution
- Step 1: Write the proportion equation
848,239.50 : 1,170,572.94 = 485,668.92 : x - Step 2: Convert to fraction form
848,239.50/1,170,572.94 = 485,668.92/x - Step 3: Cross multiply
848,239.50x = 1,170,572.94 × 485,668.92 - Step 4: Simplify right side
848,239.50x = 568,510,895,551.03 - Step 5: Solve for x
x = 568,510,895,551.03/848,239.50 - Step 6: Final answer
x = 670,224.50
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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.