Finding the Fourth Proportional to 842,523.12, 1,162,704.24 and 503,187.12
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Solution
The fourth proportional to 842,523.12, 1,162,704.24 and 503,187.12 is: 694,411.56
Step by Step Solution
- Step 1: Write the proportion equation
842,523.12 : 1,162,704.24 = 503,187.12 : x - Step 2: Convert to fraction form
842,523.12/1,162,704.24 = 503,187.12/x - Step 3: Cross multiply
842,523.12x = 1,162,704.24 × 503,187.12 - Step 4: Simplify right side
842,523.12x = 585,057,797,937.39 - Step 5: Solve for x
x = 585,057,797,937.39/842,523.12 - Step 6: Final answer
x = 694,411.56
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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.