Finding the Fourth Proportional to 901,913.74, 1,244,640.68 and 494,040.97
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Solution
The fourth proportional to 901,913.74, 1,244,640.68 and 494,040.97 is: 681,776.39
Step by Step Solution
- Step 1: Write the proportion equation
901,913.74 : 1,244,640.68 = 494,040.97 : x - Step 2: Convert to fraction form
901,913.74/1,244,640.68 = 494,040.97/x - Step 3: Cross multiply
901,913.74x = 1,244,640.68 × 494,040.97 - Step 4: Simplify right side
901,913.74x = 614,903,492,565.89 - Step 5: Solve for x
x = 614,903,492,565.89/901,913.74 - Step 6: Final answer
x = 681,776.39
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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.