Finding the Fourth Proportional to 683,843.80, 1,025,765.70 and 185,207.80
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Solution
The fourth proportional to 683,843.80, 1,025,765.70 and 185,207.80 is: 277,811.70
Step by Step Solution
- Step 1: Write the proportion equation
683,843.80 : 1,025,765.70 = 185,207.80 : x - Step 2: Convert to fraction form
683,843.80/1,025,765.70 = 185,207.80/x - Step 3: Cross multiply
683,843.80x = 1,025,765.70 × 185,207.80 - Step 4: Simplify right side
683,843.80x = 189,979,808,612.46 - Step 5: Solve for x
x = 189,979,808,612.46/683,843.80 - Step 6: Final answer
x = 277,811.70
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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.