Finding the Fourth Proportional to 765,996.48, 1,149,176.97 and 385,983.36
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Solution
The fourth proportional to 765,996.48, 1,149,176.97 and 385,983.36 is: 579,066.88
Step by Step Solution
- Step 1: Write the proportion equation
765,996.48 : 1,149,176.97 = 385,983.36 : x - Step 2: Convert to fraction form
765,996.48/1,149,176.97 = 385,983.36/x - Step 3: Cross multiply
765,996.48x = 1,149,176.97 × 385,983.36 - Step 4: Simplify right side
765,996.48x = 443,563,188,115.22 - Step 5: Solve for x
x = 443,563,188,115.22/765,996.48 - Step 6: Final answer
x = 579,066.88
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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.