Finding the Fourth Proportional to 752,245.76, 1,128,649.53 and 303,094.05
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Solution
The fourth proportional to 752,245.76, 1,128,649.53 and 303,094.05 is: 454,754.25
Step by Step Solution
- Step 1: Write the proportion equation
752,245.76 : 1,128,649.53 = 303,094.05 : x - Step 2: Convert to fraction form
752,245.76/1,128,649.53 = 303,094.05/x - Step 3: Cross multiply
752,245.76x = 1,128,649.53 × 303,094.05 - Step 4: Simplify right side
752,245.76x = 342,086,959,904.88 - Step 5: Solve for x
x = 342,086,959,904.88/752,245.76 - Step 6: Final answer
x = 454,754.25
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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.