Finding the Fourth Proportional to 682,647.06, 1,021,987.44 and 397,467.66
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Solution
The fourth proportional to 682,647.06, 1,021,987.44 and 397,467.66 is: 595,046.81
Step by Step Solution
- Step 1: Write the proportion equation
682,647.06 : 1,021,987.44 = 397,467.66 : x - Step 2: Convert to fraction form
682,647.06/1,021,987.44 = 397,467.66/x - Step 3: Cross multiply
682,647.06x = 1,021,987.44 × 397,467.66 - Step 4: Simplify right side
682,647.06x = 406,206,956,326.19 - Step 5: Solve for x
x = 406,206,956,326.19/682,647.06 - Step 6: Final answer
x = 595,046.81
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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.