Finding the Fourth Proportional to 747,029.40, 1,119,863.70 and 273,600.60
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Solution
The fourth proportional to 747,029.40, 1,119,863.70 and 273,600.60 is: 410,151.70
Step by Step Solution
- Step 1: Write the proportion equation
747,029.40 : 1,119,863.70 = 273,600.60 : x - Step 2: Convert to fraction form
747,029.40/1,119,863.70 = 273,600.60/x - Step 3: Cross multiply
747,029.40x = 1,119,863.70 × 273,600.60 - Step 4: Simplify right side
747,029.40x = 306,395,380,238.22 - Step 5: Solve for x
x = 306,395,380,238.22/747,029.40 - Step 6: Final answer
x = 410,151.70
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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.