Finding the Fourth Proportional to 992,906.22, 1,489,988.67 and 424,291.26
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Solution
The fourth proportional to 992,906.22, 1,489,988.67 and 424,291.26 is: 636,705.82
Step by Step Solution
- Step 1: Write the proportion equation
992,906.22 : 1,489,988.67 = 424,291.26 : x - Step 2: Convert to fraction form
992,906.22/1,489,988.67 = 424,291.26/x - Step 3: Cross multiply
992,906.22x = 1,489,988.67 × 424,291.26 - Step 4: Simplify right side
992,906.22x = 632,189,170,180.02 - Step 5: Solve for x
x = 632,189,170,180.02/992,906.22 - Step 6: Final answer
x = 636,705.82
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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.