Finding the Fourth Proportional to 738,251.58, 1,107,469.72 and 288,914.41
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Solution
The fourth proportional to 738,251.58, 1,107,469.72 and 288,914.41 is: 433,407.75
Step by Step Solution
- Step 1: Write the proportion equation
738,251.58 : 1,107,469.72 = 288,914.41 : x - Step 2: Convert to fraction form
738,251.58/1,107,469.72 = 288,914.41/x - Step 3: Cross multiply
738,251.58x = 1,107,469.72 × 288,914.41 - Step 4: Simplify right side
738,251.58x = 319,963,955,209.32 - Step 5: Solve for x
x = 319,963,955,209.32/738,251.58 - Step 6: Final answer
x = 433,407.75
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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.