Finding the Fourth Proportional to 774,630.66, 1,161,945.09 and 269,191.68
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Solution
The fourth proportional to 774,630.66, 1,161,945.09 and 269,191.68 is: 403,787.21
Step by Step Solution
- Step 1: Write the proportion equation
774,630.66 : 1,161,945.09 = 269,191.68 : x - Step 2: Convert to fraction form
774,630.66/1,161,945.09 = 269,191.68/x - Step 3: Cross multiply
774,630.66x = 1,161,945.09 × 269,191.68 - Step 4: Simplify right side
774,630.66x = 312,785,950,844.85 - Step 5: Solve for x
x = 312,785,950,844.85/774,630.66 - Step 6: Final answer
x = 403,787.21
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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.