Finding the Fourth Proportional to 738,384.41, 1,107,763.43 and 205,905.49
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Solution
The fourth proportional to 738,384.41, 1,107,763.43 and 205,905.49 is: 308,910.33
Step by Step Solution
- Step 1: Write the proportion equation
738,384.41 : 1,107,763.43 = 205,905.49 : x - Step 2: Convert to fraction form
738,384.41/1,107,763.43 = 205,905.49/x - Step 3: Cross multiply
738,384.41x = 1,107,763.43 × 205,905.49 - Step 4: Simplify right side
738,384.41x = 228,094,574,290.46 - Step 5: Solve for x
x = 228,094,574,290.46/738,384.41 - Step 6: Final answer
x = 308,910.33
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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.