Finding the Fourth Proportional to 863,544.24, 1,191,688.74 and 481,571.46
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Solution
The fourth proportional to 863,544.24, 1,191,688.74 and 481,571.46 is: 664,567.33
Step by Step Solution
- Step 1: Write the proportion equation
863,544.24 : 1,191,688.74 = 481,571.46 : x - Step 2: Convert to fraction form
863,544.24/1,191,688.74 = 481,571.46/x - Step 3: Cross multiply
863,544.24x = 1,191,688.74 × 481,571.46 - Step 4: Simplify right side
863,544.24x = 573,883,286,387.36 - Step 5: Solve for x
x = 573,883,286,387.36/863,544.24 - Step 6: Final answer
x = 664,567.33
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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.