Finding the Fourth Proportional to 823,099.68, 1,135,824.12 and 460,460.88
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Solution
The fourth proportional to 823,099.68, 1,135,824.12 and 460,460.88 is: 635,406.12
Step by Step Solution
- Step 1: Write the proportion equation
823,099.68 : 1,135,824.12 = 460,460.88 : x - Step 2: Convert to fraction form
823,099.68/1,135,824.12 = 460,460.88/x - Step 3: Cross multiply
823,099.68x = 1,135,824.12 × 460,460.88 - Step 4: Simplify right side
823,099.68x = 523,002,573,820.43 - Step 5: Solve for x
x = 523,002,573,820.43/823,099.68 - Step 6: Final answer
x = 635,406.12
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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.