Finding the Fourth Proportional to 837,921.92, 1,257,079.71 and 276,956.42
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Solution
The fourth proportional to 837,921.92, 1,257,079.71 and 276,956.42 is: 415,499.69
Step by Step Solution
- Step 1: Write the proportion equation
837,921.92 : 1,257,079.71 = 276,956.42 : x - Step 2: Convert to fraction form
837,921.92/1,257,079.71 = 276,956.42/x - Step 3: Cross multiply
837,921.92x = 1,257,079.71 × 276,956.42 - Step 4: Simplify right side
837,921.92x = 348,156,296,136.24 - Step 5: Solve for x
x = 348,156,296,136.24/837,921.92 - Step 6: Final answer
x = 415,499.69
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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.