Finding the Fourth Proportional to 1,107,682.75, 1,661,684.51 and 349,266.79
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Solution
The fourth proportional to 1,107,682.75, 1,661,684.51 and 349,266.79 is: 523,950.76
Step by Step Solution
- Step 1: Write the proportion equation
1,107,682.75 : 1,661,684.51 = 349,266.79 : x - Step 2: Convert to fraction form
1,107,682.75/1,661,684.51 = 349,266.79/x - Step 3: Cross multiply
1,107,682.75x = 1,661,684.51 × 349,266.79 - Step 4: Simplify right side
1,107,682.75x = 580,371,214,800.42 - Step 5: Solve for x
x = 580,371,214,800.42/1,107,682.75 - Step 6: Final answer
x = 523,950.76
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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.