Finding the Fourth Proportional to 768,149.19, 1,059,887.59 and 441,399.07
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Solution
The fourth proportional to 768,149.19, 1,059,887.59 and 441,399.07 is: 609,039.75
Step by Step Solution
- Step 1: Write the proportion equation
768,149.19 : 1,059,887.59 = 441,399.07 : x - Step 2: Convert to fraction form
768,149.19/1,059,887.59 = 441,399.07/x - Step 3: Cross multiply
768,149.19x = 1,059,887.59 × 441,399.07 - Step 4: Simplify right side
768,149.19x = 467,833,391,231.10 - Step 5: Solve for x
x = 467,833,391,231.10/768,149.19 - Step 6: Final answer
x = 609,039.75
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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.