Finding the Fourth Proportional to 811,202.62, 1,215,945.87 and 305,544.81
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Solution
The fourth proportional to 811,202.62, 1,215,945.87 and 305,544.81 is: 457,994.02
Step by Step Solution
- Step 1: Write the proportion equation
811,202.62 : 1,215,945.87 = 305,544.81 : x - Step 2: Convert to fraction form
811,202.62/1,215,945.87 = 305,544.81/x - Step 3: Cross multiply
811,202.62x = 1,215,945.87 × 305,544.81 - Step 4: Simplify right side
811,202.62x = 371,525,949,819.44 - Step 5: Solve for x
x = 371,525,949,819.44/811,202.62 - Step 6: Final answer
x = 457,994.02
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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.