Finding the Fourth Proportional to 766,821.42, 1,149,682.05 and 293,107.50
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Solution
The fourth proportional to 766,821.42, 1,149,682.05 and 293,107.50 is: 439,450.99
Step by Step Solution
- Step 1: Write the proportion equation
766,821.42 : 1,149,682.05 = 293,107.50 : x - Step 2: Convert to fraction form
766,821.42/1,149,682.05 = 293,107.50/x - Step 3: Cross multiply
766,821.42x = 1,149,682.05 × 293,107.50 - Step 4: Simplify right side
766,821.42x = 336,980,431,470.38 - Step 5: Solve for x
x = 336,980,431,470.38/766,821.42 - Step 6: Final answer
x = 439,450.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.