Finding the Fourth Proportional to 738,133.20, 1,104,575.40 and 512,434.80
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Solution
The fourth proportional to 738,133.20, 1,104,575.40 and 512,434.80 is: 766,830.26
Step by Step Solution
- Step 1: Write the proportion equation
738,133.20 : 1,104,575.40 = 512,434.80 : x - Step 2: Convert to fraction form
738,133.20/1,104,575.40 = 512,434.80/x - Step 3: Cross multiply
738,133.20x = 1,104,575.40 × 512,434.80 - Step 4: Simplify right side
738,133.20x = 566,022,874,183.92 - Step 5: Solve for x
x = 566,022,874,183.92/738,133.20 - Step 6: Final answer
x = 766,830.26
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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.