Finding the Fourth Proportional to 738,781.36, 1,108,234.91 and 233,207.10
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Solution
The fourth proportional to 738,781.36, 1,108,234.91 and 233,207.10 is: 349,830.50
Step by Step Solution
- Step 1: Write the proportion equation
738,781.36 : 1,108,234.91 = 233,207.10 : x - Step 2: Convert to fraction form
738,781.36/1,108,234.91 = 233,207.10/x - Step 3: Cross multiply
738,781.36x = 1,108,234.91 × 233,207.10 - Step 4: Simplify right side
738,781.36x = 258,448,250,062.88 - Step 5: Solve for x
x = 258,448,250,062.88/738,781.36 - Step 6: Final answer
x = 349,830.50
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1.5x scale
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.