Finding the Fourth Proportional to 892,690.67, 1,232,091.92 and 530,315.84
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Solution
The fourth proportional to 892,690.67, 1,232,091.92 and 530,315.84 is: 731,942.08
Step by Step Solution
- Step 1: Write the proportion equation
892,690.67 : 1,232,091.92 = 530,315.84 : x - Step 2: Convert to fraction form
892,690.67/1,232,091.92 = 530,315.84/x - Step 3: Cross multiply
892,690.67x = 1,232,091.92 × 530,315.84 - Step 4: Simplify right side
892,690.67x = 653,397,861,512.01 - Step 5: Solve for x
x = 653,397,861,512.01/892,690.67 - Step 6: Final answer
x = 731,942.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.