Finding the Fourth Proportional to 823,662.36, 1,235,143.62 and 283,977.72
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Solution
The fourth proportional to 823,662.36, 1,235,143.62 and 283,977.72 is: 425,845.94
Step by Step Solution
- Step 1: Write the proportion equation
823,662.36 : 1,235,143.62 = 283,977.72 : x - Step 2: Convert to fraction form
823,662.36/1,235,143.62 = 283,977.72/x - Step 3: Cross multiply
823,662.36x = 1,235,143.62 × 283,977.72 - Step 4: Simplify right side
823,662.36x = 350,753,269,080.15 - Step 5: Solve for x
x = 350,753,269,080.15/823,662.36 - Step 6: Final answer
x = 425,845.94
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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.