Finding the Fourth Proportional to 491,170.05, 677,449.30 and 433,707.99
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Solution
The fourth proportional to 491,170.05, 677,449.30 and 433,707.99 is: 598,194.40
Step by Step Solution
- Step 1: Write the proportion equation
491,170.05 : 677,449.30 = 433,707.99 : x - Step 2: Convert to fraction form
491,170.05/677,449.30 = 433,707.99/x - Step 3: Cross multiply
491,170.05x = 677,449.30 × 433,707.99 - Step 4: Simplify right side
491,170.05x = 293,815,174,229.91 - Step 5: Solve for x
x = 293,815,174,229.91/491,170.05 - Step 6: Final answer
x = 598,194.40
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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.