Finding the Fourth Proportional to 682,449.88, 1,023,824.58 and 209,170.84
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Solution
The fourth proportional to 682,449.88, 1,023,824.58 and 209,170.84 is: 313,802.16
Step by Step Solution
- Step 1: Write the proportion equation
682,449.88 : 1,023,824.58 = 209,170.84 : x - Step 2: Convert to fraction form
682,449.88/1,023,824.58 = 209,170.84/x - Step 3: Cross multiply
682,449.88x = 1,023,824.58 × 209,170.84 - Step 4: Simplify right side
682,449.88x = 214,154,247,411.25 - Step 5: Solve for x
x = 214,154,247,411.25/682,449.88 - Step 6: Final answer
x = 313,802.16
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.