Finding the Fourth Proportional to 980,467.64, 1,470,786.18 and 270,495.68
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Solution
The fourth proportional to 980,467.64, 1,470,786.18 and 270,495.68 is: 405,766.89
Step by Step Solution
- Step 1: Write the proportion equation
980,467.64 : 1,470,786.18 = 270,495.68 : x - Step 2: Convert to fraction form
980,467.64/1,470,786.18 = 270,495.68/x - Step 3: Cross multiply
980,467.64x = 1,470,786.18 × 270,495.68 - Step 4: Simplify right side
980,467.64x = 397,841,300,539.77 - Step 5: Solve for x
x = 397,841,300,539.77/980,467.64 - Step 6: Final answer
x = 405,766.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.