Finding the Fourth Proportional to 670,709.66, 925,306.17 and 380,260.05
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Solution
The fourth proportional to 670,709.66, 925,306.17 and 380,260.05 is: 524,604.00
Step by Step Solution
- Step 1: Write the proportion equation
670,709.66 : 925,306.17 = 380,260.05 : x - Step 2: Convert to fraction form
670,709.66/925,306.17 = 380,260.05/x - Step 3: Cross multiply
670,709.66x = 925,306.17 × 380,260.05 - Step 4: Simplify right side
670,709.66x = 351,856,970,469.51 - Step 5: Solve for x
x = 351,856,970,469.51/670,709.66 - Step 6: Final answer
x = 524,604.00
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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.