Finding the Fourth Proportional to 756,260.64, 1,133,321.72 and 419,449.68
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Solution
The fourth proportional to 756,260.64, 1,133,321.72 and 419,449.68 is: 628,581.48
Step by Step Solution
- Step 1: Write the proportion equation
756,260.64 : 1,133,321.72 = 419,449.68 : x - Step 2: Convert to fraction form
756,260.64/1,133,321.72 = 419,449.68/x - Step 3: Cross multiply
756,260.64x = 1,133,321.72 × 419,449.68 - Step 4: Simplify right side
756,260.64x = 475,371,432,791.05 - Step 5: Solve for x
x = 475,371,432,791.05/756,260.64 - Step 6: Final answer
x = 628,581.48
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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.