Finding the Fourth Proportional to 672,739.26, 1,009,378.17 and 273,410.70
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Solution
The fourth proportional to 672,739.26, 1,009,378.17 and 273,410.70 is: 410,225.49
Step by Step Solution
- Step 1: Write the proportion equation
672,739.26 : 1,009,378.17 = 273,410.70 : x - Step 2: Convert to fraction form
672,739.26/1,009,378.17 = 273,410.70/x - Step 3: Cross multiply
672,739.26x = 1,009,378.17 × 273,410.70 - Step 4: Simplify right side
672,739.26x = 275,974,792,024.42 - Step 5: Solve for x
x = 275,974,792,024.42/672,739.26 - Step 6: Final answer
x = 410,225.49
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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.