Finding the Fourth Proportional to 859,492.44, 1,289,239.02 and 326,890.44
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Solution
The fourth proportional to 859,492.44, 1,289,239.02 and 326,890.44 is: 490,335.80
Step by Step Solution
- Step 1: Write the proportion equation
859,492.44 : 1,289,239.02 = 326,890.44 : x - Step 2: Convert to fraction form
859,492.44/1,289,239.02 = 326,890.44/x - Step 3: Cross multiply
859,492.44x = 1,289,239.02 × 326,890.44 - Step 4: Simplify right side
859,492.44x = 421,439,910,512.97 - Step 5: Solve for x
x = 421,439,910,512.97/859,492.44 - Step 6: Final answer
x = 490,335.80
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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.