Finding the Fourth Proportional to 848,321.76, 1,170,706.56 and 461,163.36
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Solution
The fourth proportional to 848,321.76, 1,170,706.56 and 461,163.36 is: 636,417.69
Step by Step Solution
- Step 1: Write the proportion equation
848,321.76 : 1,170,706.56 = 461,163.36 : x - Step 2: Convert to fraction form
848,321.76/1,170,706.56 = 461,163.36/x - Step 3: Cross multiply
848,321.76x = 1,170,706.56 × 461,163.36 - Step 4: Simplify right side
848,321.76x = 539,886,970,783.64 - Step 5: Solve for x
x = 539,886,970,783.64/848,321.76 - Step 6: Final answer
x = 636,417.69
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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.