Finding the Fourth Proportional to 836,170.24, 1,153,917.12 and 454,193.92
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Solution
The fourth proportional to 836,170.24, 1,153,917.12 and 454,193.92 is: 626,788.80
Step by Step Solution
- Step 1: Write the proportion equation
836,170.24 : 1,153,917.12 = 454,193.92 : x - Step 2: Convert to fraction form
836,170.24/1,153,917.12 = 454,193.92/x - Step 3: Cross multiply
836,170.24x = 1,153,917.12 × 454,193.92 - Step 4: Simplify right side
836,170.24x = 524,102,140,087.91 - Step 5: Solve for x
x = 524,102,140,087.91/836,170.24 - Step 6: Final answer
x = 626,788.80
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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.