Finding the Fourth Proportional to 801,083.58, 1,201,622.34 and 327,768.78
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Solution
The fourth proportional to 801,083.58, 1,201,622.34 and 327,768.78 is: 491,651.93
Step by Step Solution
- Step 1: Write the proportion equation
801,083.58 : 1,201,622.34 = 327,768.78 : x - Step 2: Convert to fraction form
801,083.58/1,201,622.34 = 327,768.78/x - Step 3: Cross multiply
801,083.58x = 1,201,622.34 × 327,768.78 - Step 4: Simplify right side
801,083.58x = 393,854,288,402.55 - Step 5: Solve for x
x = 393,854,288,402.55/801,083.58 - Step 6: Final answer
x = 491,651.93
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1.5x scale
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.