Finding the Fourth Proportional to 416,049.60, 624,688.80 and 322,660.80
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Solution
The fourth proportional to 416,049.60, 624,688.80 and 322,660.80 is: 484,467.69
Step by Step Solution
- Step 1: Write the proportion equation
416,049.60 : 624,688.80 = 322,660.80 : x - Step 2: Convert to fraction form
416,049.60/624,688.80 = 322,660.80/x - Step 3: Cross multiply
416,049.60x = 624,688.80 × 322,660.80 - Step 4: Simplify right side
416,049.60x = 201,562,587,959.04 - Step 5: Solve for x
x = 201,562,587,959.04/416,049.60 - Step 6: Final answer
x = 484,467.69
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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.