Finding the Fourth Proportional to 512,207.99, 706,843.07 and 282,765.60
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Solution
The fourth proportional to 512,207.99, 706,843.07 and 282,765.60 is: 390,214.34
Step by Step Solution
- Step 1: Write the proportion equation
512,207.99 : 706,843.07 = 282,765.60 : x - Step 2: Convert to fraction form
512,207.99/706,843.07 = 282,765.60/x - Step 3: Cross multiply
512,207.99x = 706,843.07 × 282,765.60 - Step 4: Simplify right side
512,207.99x = 199,870,904,794.39 - Step 5: Solve for x
x = 199,870,904,794.39/512,207.99 - Step 6: Final answer
x = 390,214.34
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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.