Finding the Fourth Proportional to 901,620.59, 1,244,236.41 and 519,671.97
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Solution
The fourth proportional to 901,620.59, 1,244,236.41 and 519,671.97 is: 717,147.32
Step by Step Solution
- Step 1: Write the proportion equation
901,620.59 : 1,244,236.41 = 519,671.97 : x - Step 2: Convert to fraction form
901,620.59/1,244,236.41 = 519,671.97/x - Step 3: Cross multiply
901,620.59x = 1,244,236.41 × 519,671.97 - Step 4: Simplify right side
901,620.59x = 646,594,786,330.43 - Step 5: Solve for x
x = 646,594,786,330.43/901,620.59 - Step 6: Final answer
x = 717,147.32
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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.