Finding the Fourth Proportional to 843,745.98, 1,265,788.26 and 311,269.80
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Solution
The fourth proportional to 843,745.98, 1,265,788.26 and 311,269.80 is: 466,967.15
Step by Step Solution
- Step 1: Write the proportion equation
843,745.98 : 1,265,788.26 = 311,269.80 : x - Step 2: Convert to fraction form
843,745.98/1,265,788.26 = 311,269.80/x - Step 3: Cross multiply
843,745.98x = 1,265,788.26 × 311,269.80 - Step 4: Simplify right side
843,745.98x = 394,001,658,532.55 - Step 5: Solve for x
x = 394,001,658,532.55/843,745.98 - Step 6: Final answer
x = 466,967.15
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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.