Finding the Fourth Proportional to 980,086.16, 1,352,586.09 and 544,556.05
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Solution
The fourth proportional to 980,086.16, 1,352,586.09 and 544,556.05 is: 751,524.68
Step by Step Solution
- Step 1: Write the proportion equation
980,086.16 : 1,352,586.09 = 544,556.05 : x - Step 2: Convert to fraction form
980,086.16/1,352,586.09 = 544,556.05/x - Step 3: Cross multiply
980,086.16x = 1,352,586.09 × 544,556.05 - Step 4: Simplify right side
980,086.16x = 736,558,937,115.97 - Step 5: Solve for x
x = 736,558,937,115.97/980,086.16 - Step 6: Final answer
x = 751,524.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.