Finding the Fourth Proportional to 734,134.40, 1,101,201.60 and 419,206.40
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Solution
The fourth proportional to 734,134.40, 1,101,201.60 and 419,206.40 is: 628,809.60
Step by Step Solution
- Step 1: Write the proportion equation
734,134.40 : 1,101,201.60 = 419,206.40 : x - Step 2: Convert to fraction form
734,134.40/1,101,201.60 = 419,206.40/x - Step 3: Cross multiply
734,134.40x = 1,101,201.60 × 419,206.40 - Step 4: Simplify right side
734,134.40x = 461,630,758,410.24 - Step 5: Solve for x
x = 461,630,758,410.24/734,134.40 - Step 6: Final answer
x = 628,809.60
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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.