Finding the Fourth Proportional to 837,829.49, 1,256,938.65 and 276,829.97
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Solution
The fourth proportional to 837,829.49, 1,256,938.65 and 276,829.97 is: 415,309.19
Step by Step Solution
- Step 1: Write the proportion equation
837,829.49 : 1,256,938.65 = 276,829.97 : x - Step 2: Convert to fraction form
837,829.49/1,256,938.65 = 276,829.97/x - Step 3: Cross multiply
837,829.49x = 1,256,938.65 × 276,829.97 - Step 4: Simplify right side
837,829.49x = 347,958,288,771.34 - Step 5: Solve for x
x = 347,958,288,771.34/837,829.49 - Step 6: Final answer
x = 415,309.19
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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.