Finding the Fourth Proportional to 385,847.62, 578,562.67 and 306,396.73
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Solution
The fourth proportional to 385,847.62, 578,562.67 and 306,396.73 is: 459,429.32
Step by Step Solution
- Step 1: Write the proportion equation
385,847.62 : 578,562.67 = 306,396.73 : x - Step 2: Convert to fraction form
385,847.62/578,562.67 = 306,396.73/x - Step 3: Cross multiply
385,847.62x = 578,562.67 × 306,396.73 - Step 4: Simplify right side
385,847.62x = 177,269,708,901.59 - Step 5: Solve for x
x = 177,269,708,901.59/385,847.62 - Step 6: Final answer
x = 459,429.32
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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.