Finding the Fourth Proportional to 555,414.84, 766,190.34 and 325,821.96
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Solution
The fourth proportional to 555,414.84, 766,190.34 and 325,821.96 is: 449,468.79
Step by Step Solution
- Step 1: Write the proportion equation
555,414.84 : 766,190.34 = 325,821.96 : x - Step 2: Convert to fraction form
555,414.84/766,190.34 = 325,821.96/x - Step 3: Cross multiply
555,414.84x = 766,190.34 × 325,821.96 - Step 4: Simplify right side
555,414.84x = 249,641,638,311.87 - Step 5: Solve for x
x = 249,641,638,311.87/555,414.84 - Step 6: Final answer
x = 449,468.79
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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.