Finding the Fourth Proportional to 837,937.92, 1,257,103.74 and 276,972.42
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Solution
The fourth proportional to 837,937.92, 1,257,103.74 and 276,972.42 is: 415,523.70
Step by Step Solution
- Step 1: Write the proportion equation
837,937.92 : 1,257,103.74 = 276,972.42 : x - Step 2: Convert to fraction form
837,937.92/1,257,103.74 = 276,972.42/x - Step 3: Cross multiply
837,937.92x = 1,257,103.74 × 276,972.42 - Step 4: Simplify right side
837,937.92x = 348,183,065,058.85 - Step 5: Solve for x
x = 348,183,065,058.85/837,937.92 - Step 6: Final answer
x = 415,523.70
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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.