Finding the Fourth Proportional to 738,475.98, 1,107,713.97 and 233,076.30
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Solution
The fourth proportional to 738,475.98, 1,107,713.97 and 233,076.30 is: 349,614.45
Step by Step Solution
- Step 1: Write the proportion equation
738,475.98 : 1,107,713.97 = 233,076.30 : x - Step 2: Convert to fraction form
738,475.98/1,107,713.97 = 233,076.30/x - Step 3: Cross multiply
738,475.98x = 1,107,713.97 × 233,076.30 - Step 4: Simplify right side
738,475.98x = 258,181,873,585.91 - Step 5: Solve for x
x = 258,181,873,585.91/738,475.98 - Step 6: Final answer
x = 349,614.45
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Double scale
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Similar ratio
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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.