Finding the Fourth Proportional to 892,865.21, 1,232,163.04 and 484,975.03
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Solution
The fourth proportional to 892,865.21, 1,232,163.04 and 484,975.03 is: 669,270.46
Step by Step Solution
- Step 1: Write the proportion equation
892,865.21 : 1,232,163.04 = 484,975.03 : x - Step 2: Convert to fraction form
892,865.21/1,232,163.04 = 484,975.03/x - Step 3: Cross multiply
892,865.21x = 1,232,163.04 × 484,975.03 - Step 4: Simplify right side
892,865.21x = 597,568,307,288.89 - Step 5: Solve for x
x = 597,568,307,288.89/892,865.21 - Step 6: Final answer
x = 669,270.46
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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.