Finding the Fourth Proportional to 757,035.67, 1,135,221.13 and 283,388.88
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Solution
The fourth proportional to 757,035.67, 1,135,221.13 and 283,388.88 is: 424,958.89
Step by Step Solution
- Step 1: Write the proportion equation
757,035.67 : 1,135,221.13 = 283,388.88 : x - Step 2: Convert to fraction form
757,035.67/1,135,221.13 = 283,388.88/x - Step 3: Cross multiply
757,035.67x = 1,135,221.13 × 283,388.88 - Step 4: Simplify right side
757,035.67x = 321,709,041,214.67 - Step 5: Solve for x
x = 321,709,041,214.67/757,035.67 - Step 6: Final answer
x = 424,958.89
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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.