Finding the Fourth Proportional to 741,754.87, 1,112,832.07 and 381,729.58
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Solution
The fourth proportional to 741,754.87, 1,112,832.07 and 381,729.58 is: 572,697.17
Step by Step Solution
- Step 1: Write the proportion equation
741,754.87 : 1,112,832.07 = 381,729.58 : x - Step 2: Convert to fraction form
741,754.87/1,112,832.07 = 381,729.58/x - Step 3: Cross multiply
741,754.87x = 1,112,832.07 × 381,729.58 - Step 4: Simplify right side
741,754.87x = 424,800,914,955.23 - Step 5: Solve for x
x = 424,800,914,955.23/741,754.87 - Step 6: Final answer
x = 572,697.17
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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.