Finding the Fourth Proportional to 987,710.99, 1,481,567.16 and 277,739.11
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Solution
The fourth proportional to 987,710.99, 1,481,567.16 and 277,739.11 is: 416,608.85
Step by Step Solution
- Step 1: Write the proportion equation
987,710.99 : 1,481,567.16 = 277,739.11 : x - Step 2: Convert to fraction form
987,710.99/1,481,567.16 = 277,739.11/x - Step 3: Cross multiply
987,710.99x = 1,481,567.16 × 277,739.11 - Step 4: Simplify right side
987,710.99x = 411,489,137,015.79 - Step 5: Solve for x
x = 411,489,137,015.79/987,710.99 - Step 6: Final answer
x = 416,608.85
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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.