Finding the Fourth Proportional to 837,934.42, 1,257,098.49 and 276,968.92
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Solution
The fourth proportional to 837,934.42, 1,257,098.49 and 276,968.92 is: 415,518.45
Step by Step Solution
- Step 1: Write the proportion equation
837,934.42 : 1,257,098.49 = 276,968.92 : x - Step 2: Convert to fraction form
837,934.42/1,257,098.49 = 276,968.92/x - Step 3: Cross multiply
837,934.42x = 1,257,098.49 × 276,968.92 - Step 4: Simplify right side
837,934.42x = 348,177,211,108.93 - Step 5: Solve for x
x = 348,177,211,108.93/837,934.42 - Step 6: Final answer
x = 415,518.45
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1.5x scale
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.