Finding the Fourth Proportional to 489,160.40, 733,740.60 and 445,857.80
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Solution
The fourth proportional to 489,160.40, 733,740.60 and 445,857.80 is: 668,786.70
Step by Step Solution
- Step 1: Write the proportion equation
489,160.40 : 733,740.60 = 445,857.80 : x - Step 2: Convert to fraction form
489,160.40/733,740.60 = 445,857.80/x - Step 3: Cross multiply
489,160.40x = 733,740.60 × 445,857.80 - Step 4: Simplify right side
489,160.40x = 327,143,969,686.68 - Step 5: Solve for x
x = 327,143,969,686.68/489,160.40 - Step 6: Final answer
x = 668,786.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.