Finding the Fourth Proportional to 767,968.97, 1,149,722.37 and 447,142.14
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Solution
The fourth proportional to 767,968.97, 1,149,722.37 and 447,142.14 is: 669,414.19
Step by Step Solution
- Step 1: Write the proportion equation
767,968.97 : 1,149,722.37 = 447,142.14 : x - Step 2: Convert to fraction form
767,968.97/1,149,722.37 = 447,142.14/x - Step 3: Cross multiply
767,968.97x = 1,149,722.37 × 447,142.14 - Step 4: Simplify right side
767,968.97x = 514,089,320,927.67 - Step 5: Solve for x
x = 514,089,320,927.67/767,968.97 - Step 6: Final answer
x = 669,414.19
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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.