Finding the Fourth Proportional to 770,936.95, 1,063,883.77 and 431,407.99
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Solution
The fourth proportional to 770,936.95, 1,063,883.77 and 431,407.99 is: 595,337.87
Step by Step Solution
- Step 1: Write the proportion equation
770,936.95 : 1,063,883.77 = 431,407.99 : x - Step 2: Convert to fraction form
770,936.95/1,063,883.77 = 431,407.99/x - Step 3: Cross multiply
770,936.95x = 1,063,883.77 × 431,407.99 - Step 4: Simplify right side
770,936.95x = 458,967,958,809.32 - Step 5: Solve for x
x = 458,967,958,809.32/770,936.95 - Step 6: Final answer
x = 595,337.87
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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.