Finding the Fourth Proportional to 850,795.28, 1,276,217.64 and 318,214.68
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Solution
The fourth proportional to 850,795.28, 1,276,217.64 and 318,214.68 is: 477,331.27
Step by Step Solution
- Step 1: Write the proportion equation
850,795.28 : 1,276,217.64 = 318,214.68 : x - Step 2: Convert to fraction form
850,795.28/1,276,217.64 = 318,214.68/x - Step 3: Cross multiply
850,795.28x = 1,276,217.64 × 318,214.68 - Step 4: Simplify right side
850,795.28x = 406,111,187,922.96 - Step 5: Solve for x
x = 406,111,187,922.96/850,795.28 - Step 6: Final answer
x = 477,331.27
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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.