Finding the Fourth Proportional to 658,163.60, 985,495.80 and 658,163.60
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Solution
The fourth proportional to 658,163.60, 985,495.80 and 658,163.60 is: 985,495.80
Step by Step Solution
- Step 1: Write the proportion equation
658,163.60 : 985,495.80 = 658,163.60 : x - Step 2: Convert to fraction form
658,163.60/985,495.80 = 658,163.60/x - Step 3: Cross multiply
658,163.60x = 985,495.80 × 658,163.60 - Step 4: Simplify right side
658,163.60x = 648,617,463,512.88 - Step 5: Solve for x
x = 648,617,463,512.88/658,163.60 - Step 6: Final answer
x = 985,495.80
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1.5x scale
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.