Finding the Fourth Proportional to 1,079,274.96, 1,618,630.30 and 320,912.18
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Solution
The fourth proportional to 1,079,274.96, 1,618,630.30 and 320,912.18 is: 481,284.38
Step by Step Solution
- Step 1: Write the proportion equation
1,079,274.96 : 1,618,630.30 = 320,912.18 : x - Step 2: Convert to fraction form
1,079,274.96/1,618,630.30 = 320,912.18/x - Step 3: Cross multiply
1,079,274.96x = 1,618,630.30 × 320,912.18 - Step 4: Simplify right side
1,079,274.96x = 519,438,178,187.05 - Step 5: Solve for x
x = 519,438,178,187.05/1,079,274.96 - Step 6: Final answer
x = 481,284.38
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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.