Finding the Fourth Proportional to 808,059.26, 1,115,129.54 and 445,496.42
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Solution
The fourth proportional to 808,059.26, 1,115,129.54 and 445,496.42 is: 614,789.34
Step by Step Solution
- Step 1: Write the proportion equation
808,059.26 : 1,115,129.54 = 445,496.42 : x - Step 2: Convert to fraction form
808,059.26/1,115,129.54 = 445,496.42/x - Step 3: Cross multiply
808,059.26x = 1,115,129.54 × 445,496.42 - Step 4: Simplify right side
808,059.26x = 496,786,217,906.25 - Step 5: Solve for x
x = 496,786,217,906.25/808,059.26 - Step 6: Final answer
x = 614,789.34
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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.