Finding the Fourth Proportional to 682,471.96, 1,021,608.06 and 445,303.96
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Solution
The fourth proportional to 682,471.96, 1,021,608.06 and 445,303.96 is: 666,585.80
Step by Step Solution
- Step 1: Write the proportion equation
682,471.96 : 1,021,608.06 = 445,303.96 : x - Step 2: Convert to fraction form
682,471.96/1,021,608.06 = 445,303.96/x - Step 3: Cross multiply
682,471.96x = 1,021,608.06 × 445,303.96 - Step 4: Simplify right side
682,471.96x = 454,926,114,685.92 - Step 5: Solve for x
x = 454,926,114,685.92/682,471.96 - Step 6: Final answer
x = 666,585.80
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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.