Finding the Fourth Proportional to 641,255.00, 884,786.09 and 383,090.99
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Solution
The fourth proportional to 641,255.00, 884,786.09 and 383,090.99 is: 528,578.45
Step by Step Solution
- Step 1: Write the proportion equation
641,255.00 : 884,786.09 = 383,090.99 : x - Step 2: Convert to fraction form
641,255.00/884,786.09 = 383,090.99/x - Step 3: Cross multiply
641,255.00x = 884,786.09 × 383,090.99 - Step 4: Simplify right side
641,255.00x = 338,953,572,816.94 - Step 5: Solve for x
x = 338,953,572,816.94/641,255.00 - Step 6: Final answer
x = 528,578.45
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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.