Finding the Fourth Proportional to 858,943.44, 1,288,573.56 and 282,599.12
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Solution
The fourth proportional to 858,943.44, 1,288,573.56 and 282,599.12 is: 423,950.79
Step by Step Solution
- Step 1: Write the proportion equation
858,943.44 : 1,288,573.56 = 282,599.12 : x - Step 2: Convert to fraction form
858,943.44/1,288,573.56 = 282,599.12/x - Step 3: Cross multiply
858,943.44x = 1,288,573.56 × 282,599.12 - Step 4: Simplify right side
858,943.44x = 364,149,754,111.27 - Step 5: Solve for x
x = 364,149,754,111.27/858,943.44 - Step 6: Final answer
x = 423,950.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.