Finding the Fourth Proportional to 590,348.34, 885,634.77 and 408,744.99
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Solution
The fourth proportional to 590,348.34, 885,634.77 and 408,744.99 is: 613,195.21
Step by Step Solution
- Step 1: Write the proportion equation
590,348.34 : 885,634.77 = 408,744.99 : x - Step 2: Convert to fraction form
590,348.34/885,634.77 = 408,744.99/x - Step 3: Cross multiply
590,348.34x = 885,634.77 × 408,744.99 - Step 4: Simplify right side
590,348.34x = 361,998,775,207.30 - Step 5: Solve for x
x = 361,998,775,207.30/590,348.34 - Step 6: Final answer
x = 613,195.21
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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.