Finding the Fourth Proportional to 892,826.42, 1,339,239.63 and 394,091.06
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Solution
The fourth proportional to 892,826.42, 1,339,239.63 and 394,091.06 is: 591,136.59
Step by Step Solution
- Step 1: Write the proportion equation
892,826.42 : 1,339,239.63 = 394,091.06 : x - Step 2: Convert to fraction form
892,826.42/1,339,239.63 = 394,091.06/x - Step 3: Cross multiply
892,826.42x = 1,339,239.63 × 394,091.06 - Step 4: Simplify right side
892,826.42x = 527,782,365,380.71 - Step 5: Solve for x
x = 527,782,365,380.71/892,826.42 - Step 6: Final answer
x = 591,136.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.