Finding the Fourth Proportional to 780,310.80, 1,170,466.20 and 603,163.80
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Solution
The fourth proportional to 780,310.80, 1,170,466.20 and 603,163.80 is: 904,745.70
Step by Step Solution
- Step 1: Write the proportion equation
780,310.80 : 1,170,466.20 = 603,163.80 : x - Step 2: Convert to fraction form
780,310.80/1,170,466.20 = 603,163.80/x - Step 3: Cross multiply
780,310.80x = 1,170,466.20 × 603,163.80 - Step 4: Simplify right side
780,310.80x = 705,982,840,963.56 - Step 5: Solve for x
x = 705,982,840,963.56/780,310.80 - Step 6: Final answer
x = 904,745.70
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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.