Finding the Fourth Proportional to 850,289.68, 1,274,991.68 and 317,372.48
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Solution
The fourth proportional to 850,289.68, 1,274,991.68 and 317,372.48 is: 475,893.43
Step by Step Solution
- Step 1: Write the proportion equation
850,289.68 : 1,274,991.68 = 317,372.48 : x - Step 2: Convert to fraction form
850,289.68/1,274,991.68 = 317,372.48/x - Step 3: Cross multiply
850,289.68x = 1,274,991.68 × 317,372.48 - Step 4: Simplify right side
850,289.68x = 404,647,271,460.97 - Step 5: Solve for x
x = 404,647,271,460.97/850,289.68 - Step 6: Final answer
x = 475,893.43
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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.