Finding the Fourth Proportional to 589,163.40, 883,745.10 and 323,742.60
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Solution
The fourth proportional to 589,163.40, 883,745.10 and 323,742.60 is: 485,613.90
Step by Step Solution
- Step 1: Write the proportion equation
589,163.40 : 883,745.10 = 323,742.60 : x - Step 2: Convert to fraction form
589,163.40/883,745.10 = 323,742.60/x - Step 3: Cross multiply
589,163.40x = 883,745.10 × 323,742.60 - Step 4: Simplify right side
589,163.40x = 286,105,936,411.26 - Step 5: Solve for x
x = 286,105,936,411.26/589,163.40 - Step 6: Final answer
x = 485,613.90
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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.