Finding the Fourth Proportional to 752,372.74, 1,128,624.72 and 246,782.08
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Solution
The fourth proportional to 752,372.74, 1,128,624.72 and 246,782.08 is: 370,194.64
Step by Step Solution
- Step 1: Write the proportion equation
752,372.74 : 1,128,624.72 = 246,782.08 : x - Step 2: Convert to fraction form
752,372.74/1,128,624.72 = 246,782.08/x - Step 3: Cross multiply
752,372.74x = 1,128,624.72 × 246,782.08 - Step 4: Simplify right side
752,372.74x = 278,524,355,941.02 - Step 5: Solve for x
x = 278,524,355,941.02/752,372.74 - Step 6: Final answer
x = 370,194.64
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Similar ratio
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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.