Finding the Fourth Proportional to 454,844.70, 682,267.05 and 277,697.70
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Solution
The fourth proportional to 454,844.70, 682,267.05 and 277,697.70 is: 416,546.55
Step by Step Solution
- Step 1: Write the proportion equation
454,844.70 : 682,267.05 = 277,697.70 : x - Step 2: Convert to fraction form
454,844.70/682,267.05 = 277,697.70/x - Step 3: Cross multiply
454,844.70x = 682,267.05 × 277,697.70 - Step 4: Simplify right side
454,844.70x = 189,463,990,570.79 - Step 5: Solve for x
x = 189,463,990,570.79/454,844.70 - Step 6: Final answer
x = 416,546.55
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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.