Finding the Fourth Proportional to 489,246.40, 733,869.60 and 489,246.40
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Solution
The fourth proportional to 489,246.40, 733,869.60 and 489,246.40 is: 733,869.60
Step by Step Solution
- Step 1: Write the proportion equation
489,246.40 : 733,869.60 = 489,246.40 : x - Step 2: Convert to fraction form
489,246.40/733,869.60 = 489,246.40/x - Step 3: Cross multiply
489,246.40x = 733,869.60 × 489,246.40 - Step 4: Simplify right side
489,246.40x = 359,043,059,869.44 - Step 5: Solve for x
x = 359,043,059,869.44/489,246.40 - Step 6: Final answer
x = 733,869.60
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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.