Finding the Fourth Proportional to 1,040,164.20, 1,560,246.30 and 330,247.80
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Solution
The fourth proportional to 1,040,164.20, 1,560,246.30 and 330,247.80 is: 495,371.70
Step by Step Solution
- Step 1: Write the proportion equation
1,040,164.20 : 1,560,246.30 = 330,247.80 : x - Step 2: Convert to fraction form
1,040,164.20/1,560,246.30 = 330,247.80/x - Step 3: Cross multiply
1,040,164.20x = 1,560,246.30 × 330,247.80 - Step 4: Simplify right side
1,040,164.20x = 515,267,908,033.14 - Step 5: Solve for x
x = 515,267,908,033.14/1,040,164.20 - Step 6: Final answer
x = 495,371.70
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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.