Finding the Fourth Proportional to 673,510.75, 1,009,388.92 and 273,684.09
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Solution
The fourth proportional to 673,510.75, 1,009,388.92 and 273,684.09 is: 410,169.68
Step by Step Solution
- Step 1: Write the proportion equation
673,510.75 : 1,009,388.92 = 273,684.09 : x - Step 2: Convert to fraction form
673,510.75/1,009,388.92 = 273,684.09/x - Step 3: Cross multiply
673,510.75x = 1,009,388.92 × 273,684.09 - Step 4: Simplify right side
673,510.75x = 276,253,688,599.78 - Step 5: Solve for x
x = 276,253,688,599.78/673,510.75 - Step 6: Final answer
x = 410,169.68
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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.