Finding the Fourth Proportional to 876,354.36, 1,209,425.40 and 494,372.94
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Solution
The fourth proportional to 876,354.36, 1,209,425.40 and 494,372.94 is: 682,266.46
Step by Step Solution
- Step 1: Write the proportion equation
876,354.36 : 1,209,425.40 = 494,372.94 : x - Step 2: Convert to fraction form
876,354.36/1,209,425.40 = 494,372.94/x - Step 3: Cross multiply
876,354.36x = 1,209,425.40 × 494,372.94 - Step 4: Simplify right side
876,354.36x = 597,907,190,708.68 - Step 5: Solve for x
x = 597,907,190,708.68/876,354.36 - Step 6: Final answer
x = 682,266.46
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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.