Finding the Fourth Proportional to 948,045.44, 1,308,299.36 and 518,324.80
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Solution
The fourth proportional to 948,045.44, 1,308,299.36 and 518,324.80 is: 715,286.39
Step by Step Solution
- Step 1: Write the proportion equation
948,045.44 : 1,308,299.36 = 518,324.80 : x - Step 2: Convert to fraction form
948,045.44/1,308,299.36 = 518,324.80/x - Step 3: Cross multiply
948,045.44x = 1,308,299.36 × 518,324.80 - Step 4: Simplify right side
948,045.44x = 678,124,004,112.13 - Step 5: Solve for x
x = 678,124,004,112.13/948,045.44 - Step 6: Final answer
x = 715,286.39
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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.