Finding the Fourth Proportional to 494,511.76, 682,463.88 and 279,656.08
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Solution
The fourth proportional to 494,511.76, 682,463.88 and 279,656.08 is: 385,946.68
Step by Step Solution
- Step 1: Write the proportion equation
494,511.76 : 682,463.88 = 279,656.08 : x - Step 2: Convert to fraction form
494,511.76/682,463.88 = 279,656.08/x - Step 3: Cross multiply
494,511.76x = 682,463.88 × 279,656.08 - Step 4: Simplify right side
494,511.76x = 190,855,173,422.39 - Step 5: Solve for x
x = 190,855,173,422.39/494,511.76 - Step 6: Final answer
x = 385,946.68
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1.5x scale
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.