Finding the Fourth Proportional to 641,365.67, 885,024.36 and 434,212.68
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Solution
The fourth proportional to 641,365.67, 885,024.36 and 434,212.68 is: 599,172.69
Step by Step Solution
- Step 1: Write the proportion equation
641,365.67 : 885,024.36 = 434,212.68 : x - Step 2: Convert to fraction form
641,365.67/885,024.36 = 434,212.68/x - Step 3: Cross multiply
641,365.67x = 885,024.36 × 434,212.68 - Step 4: Simplify right side
641,365.67x = 384,288,797,561.46 - Step 5: Solve for x
x = 384,288,797,561.46/641,365.67 - Step 6: Final answer
x = 599,172.69
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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.