Finding the Fourth Proportional to 677,532.16, 935,010.84 and 371,621.08
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Solution
The fourth proportional to 677,532.16, 935,010.84 and 371,621.08 is: 512,846.12
Step by Step Solution
- Step 1: Write the proportion equation
677,532.16 : 935,010.84 = 371,621.08 : x - Step 2: Convert to fraction form
677,532.16/935,010.84 = 371,621.08/x - Step 3: Cross multiply
677,532.16x = 935,010.84 × 371,621.08 - Step 4: Simplify right side
677,532.16x = 347,469,738,172.51 - Step 5: Solve for x
x = 347,469,738,172.51/677,532.16 - Step 6: Final answer
x = 512,846.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.