Finding the Fourth Proportional to 1,040,325.49, 1,560,542.24 and 330,409.09
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Solution
The fourth proportional to 1,040,325.49, 1,560,542.24 and 330,409.09 is: 495,630.79
Step by Step Solution
- Step 1: Write the proportion equation
1,040,325.49 : 1,560,542.24 = 330,409.09 : x - Step 2: Convert to fraction form
1,040,325.49/1,560,542.24 = 330,409.09/x - Step 3: Cross multiply
1,040,325.49x = 1,560,542.24 × 330,409.09 - Step 4: Simplify right side
1,040,325.49x = 515,617,341,424.96 - Step 5: Solve for x
x = 515,617,341,424.96/1,040,325.49 - Step 6: Final answer
x = 495,630.79
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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.