Finding the Fourth Proportional to 444,905.40, 667,358.10 and 440,239.80
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Solution
The fourth proportional to 444,905.40, 667,358.10 and 440,239.80 is: 660,359.70
Step by Step Solution
- Step 1: Write the proportion equation
444,905.40 : 667,358.10 = 440,239.80 : x - Step 2: Convert to fraction form
444,905.40/667,358.10 = 440,239.80/x - Step 3: Cross multiply
444,905.40x = 667,358.10 × 440,239.80 - Step 4: Simplify right side
444,905.40x = 293,797,596,472.38 - Step 5: Solve for x
x = 293,797,596,472.38/444,905.40 - Step 6: Final answer
x = 660,359.70
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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.