Finding the Fourth Proportional to 489,173.74, 733,523.60 and 286,825.18
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Solution
The fourth proportional to 489,173.74, 733,523.60 and 286,825.18 is: 430,098.80
Step by Step Solution
- Step 1: Write the proportion equation
489,173.74 : 733,523.60 = 286,825.18 : x - Step 2: Convert to fraction form
489,173.74/733,523.60 = 286,825.18/x - Step 3: Cross multiply
489,173.74x = 733,523.60 × 286,825.18 - Step 4: Simplify right side
489,173.74x = 210,393,038,604.25 - Step 5: Solve for x
x = 210,393,038,604.25/489,173.74 - Step 6: Final answer
x = 430,098.80
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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.