Finding the Fourth Proportional to 1,294,984.30, 1,942,306.35 and 396,516.10
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Solution
The fourth proportional to 1,294,984.30, 1,942,306.35 and 396,516.10 is: 594,722.07
Step by Step Solution
- Step 1: Write the proportion equation
1,294,984.30 : 1,942,306.35 = 396,516.10 : x - Step 2: Convert to fraction form
1,294,984.30/1,942,306.35 = 396,516.10/x - Step 3: Cross multiply
1,294,984.30x = 1,942,306.35 × 396,516.10 - Step 4: Simplify right side
1,294,984.30x = 770,155,738,907.24 - Step 5: Solve for x
x = 770,155,738,907.24/1,294,984.30 - Step 6: Final answer
x = 594,722.07
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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.