Finding the Fourth Proportional to 734,541.21, 1,013,766.03 and 412,269.14
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Solution
The fourth proportional to 734,541.21, 1,013,766.03 and 412,269.14 is: 568,987.07
Step by Step Solution
- Step 1: Write the proportion equation
734,541.21 : 1,013,766.03 = 412,269.14 : x - Step 2: Convert to fraction form
734,541.21/1,013,766.03 = 412,269.14/x - Step 3: Cross multiply
734,541.21x = 1,013,766.03 × 412,269.14 - Step 4: Simplify right side
734,541.21x = 417,944,451,883.73 - Step 5: Solve for x
x = 417,944,451,883.73/734,541.21 - Step 6: Final answer
x = 568,987.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.