Finding the Fourth Proportional to 444,859.80, 667,289.70 and 418,615.80
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Solution
The fourth proportional to 444,859.80, 667,289.70 and 418,615.80 is: 627,923.70
Step by Step Solution
- Step 1: Write the proportion equation
444,859.80 : 667,289.70 = 418,615.80 : x - Step 2: Convert to fraction form
444,859.80/667,289.70 = 418,615.80/x - Step 3: Cross multiply
444,859.80x = 667,289.70 × 418,615.80 - Step 4: Simplify right side
444,859.80x = 279,338,011,597.26 - Step 5: Solve for x
x = 279,338,011,597.26/444,859.80 - Step 6: Final answer
x = 627,923.70
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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.