Finding the Fourth Proportional to 622,532.87, 934,638.86 and 398,330.95
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Solution
The fourth proportional to 622,532.87, 934,638.86 and 398,330.95 is: 598,033.62
Step by Step Solution
- Step 1: Write the proportion equation
622,532.87 : 934,638.86 = 398,330.95 : x - Step 2: Convert to fraction form
622,532.87/934,638.86 = 398,330.95/x - Step 3: Cross multiply
622,532.87x = 934,638.86 × 398,330.95 - Step 4: Simplify right side
622,532.87x = 372,295,585,010.72 - Step 5: Solve for x
x = 372,295,585,010.72/622,532.87 - Step 6: Final answer
x = 598,033.62
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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.