Finding the Fourth Proportional to 498,122.56, 746,220.47 and 417,199.75
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Solution
The fourth proportional to 498,122.56, 746,220.47 and 417,199.75 is: 624,992.75
Step by Step Solution
- Step 1: Write the proportion equation
498,122.56 : 746,220.47 = 417,199.75 : x - Step 2: Convert to fraction form
498,122.56/746,220.47 = 417,199.75/x - Step 3: Cross multiply
498,122.56x = 746,220.47 × 417,199.75 - Step 4: Simplify right side
498,122.56x = 311,322,987,711.78 - Step 5: Solve for x
x = 311,322,987,711.78/498,122.56 - Step 6: Final answer
x = 624,992.75
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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.