Finding the Fourth Proportional to 489,239.20, 733,858.80 and 489,239.20
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Solution
The fourth proportional to 489,239.20, 733,858.80 and 489,239.20 is: 733,858.80
Step by Step Solution
- Step 1: Write the proportion equation
489,239.20 : 733,858.80 = 489,239.20 : x - Step 2: Convert to fraction form
489,239.20/733,858.80 = 489,239.20/x - Step 3: Cross multiply
489,239.20x = 733,858.80 × 489,239.20 - Step 4: Simplify right side
489,239.20x = 359,032,492,224.96 - Step 5: Solve for x
x = 359,032,492,224.96/489,239.20 - Step 6: Final answer
x = 733,858.80
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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.