Finding the Fourth Proportional to 682,975.09, 942,629.01 and 407,350.63
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Solution
The fourth proportional to 682,975.09, 942,629.01 and 407,350.63 is: 562,217.46
Step by Step Solution
- Step 1: Write the proportion equation
682,975.09 : 942,629.01 = 407,350.63 : x - Step 2: Convert to fraction form
682,975.09/942,629.01 = 407,350.63/x - Step 3: Cross multiply
682,975.09x = 942,629.01 × 407,350.63 - Step 4: Simplify right side
682,975.09x = 383,980,521,079.78 - Step 5: Solve for x
x = 383,980,521,079.78/682,975.09 - Step 6: Final answer
x = 562,217.46
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1.5x scale
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.