Finding the Fourth Proportional to 764,584.97, 1,146,161.22 and 258,792.02
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Solution
The fourth proportional to 764,584.97, 1,146,161.22 and 258,792.02 is: 387,945.59
Step by Step Solution
- Step 1: Write the proportion equation
764,584.97 : 1,146,161.22 = 258,792.02 : x - Step 2: Convert to fraction form
764,584.97/1,146,161.22 = 258,792.02/x - Step 3: Cross multiply
764,584.97x = 1,146,161.22 × 258,792.02 - Step 4: Simplify right side
764,584.97x = 296,617,370,668.19 - Step 5: Solve for x
x = 296,617,370,668.19/764,584.97 - Step 6: Final answer
x = 387,945.59
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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.