Finding the Fourth Proportional to 850,855.80, 1,276,283.70 and 745,879.80
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Solution
The fourth proportional to 850,855.80, 1,276,283.70 and 745,879.80 is: 1,118,819.70
Step by Step Solution
- Step 1: Write the proportion equation
850,855.80 : 1,276,283.70 = 745,879.80 : x - Step 2: Convert to fraction form
850,855.80/1,276,283.70 = 745,879.80/x - Step 3: Cross multiply
850,855.80x = 1,276,283.70 × 745,879.80 - Step 4: Simplify right side
850,855.80x = 951,954,230,899.26 - Step 5: Solve for x
x = 951,954,230,899.26/850,855.80 - Step 6: Final answer
x = 1,118,819.70
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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.