Finding the Fourth Proportional to 489,163.60, 733,745.40 and 471,448.90
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Solution
The fourth proportional to 489,163.60, 733,745.40 and 471,448.90 is: 707,173.35
Step by Step Solution
- Step 1: Write the proportion equation
489,163.60 : 733,745.40 = 471,448.90 : x - Step 2: Convert to fraction form
489,163.60/733,745.40 = 471,448.90/x - Step 3: Cross multiply
489,163.60x = 733,745.40 × 471,448.90 - Step 4: Simplify right side
489,163.60x = 345,923,461,710.06 - Step 5: Solve for x
x = 345,923,461,710.06/489,163.60 - Step 6: Final answer
x = 707,173.35
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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.