Finding the Fourth Proportional to 512,753.36, 707,613.91 and 283,325.49
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Solution
The fourth proportional to 512,753.36, 707,613.91 and 283,325.49 is: 390,997.07
Step by Step Solution
- Step 1: Write the proportion equation
512,753.36 : 707,613.91 = 283,325.49 : x - Step 2: Convert to fraction form
512,753.36/707,613.91 = 283,325.49/x - Step 3: Cross multiply
512,753.36x = 707,613.91 × 283,325.49 - Step 4: Simplify right side
512,753.36x = 200,485,057,073.25 - Step 5: Solve for x
x = 200,485,057,073.25/512,753.36 - Step 6: Final answer
x = 390,997.07
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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.