Finding the Fourth Proportional to 1,040,325.99, 1,560,542.99 and 330,409.59
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Solution
The fourth proportional to 1,040,325.99, 1,560,542.99 and 330,409.59 is: 495,631.54
Step by Step Solution
- Step 1: Write the proportion equation
1,040,325.99 : 1,560,542.99 = 330,409.59 : x - Step 2: Convert to fraction form
1,040,325.99/1,560,542.99 = 330,409.59/x - Step 3: Cross multiply
1,040,325.99x = 1,560,542.99 × 330,409.59 - Step 4: Simplify right side
1,040,325.99x = 515,618,367,851.23 - Step 5: Solve for x
x = 515,618,367,851.23/1,040,325.99 - Step 6: Final answer
x = 495,631.54
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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.