Finding the Fourth Proportional to 621,792.37, 930,757.84 and 336,775.02
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Solution
The fourth proportional to 621,792.37, 930,757.84 and 336,775.02 is: 504,116.81
Step by Step Solution
- Step 1: Write the proportion equation
621,792.37 : 930,757.84 = 336,775.02 : x - Step 2: Convert to fraction form
621,792.37/930,757.84 = 336,775.02/x - Step 3: Cross multiply
621,792.37x = 930,757.84 × 336,775.02 - Step 4: Simplify right side
621,792.37x = 313,455,985,527.37 - Step 5: Solve for x
x = 313,455,985,527.37/621,792.37 - Step 6: Final answer
x = 504,116.81
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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.