Finding the Fourth Proportional to 919,750.24, 1,268,169.60 and 629,501.84
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Solution
The fourth proportional to 919,750.24, 1,268,169.60 and 629,501.84 is: 867,969.44
Step by Step Solution
- Step 1: Write the proportion equation
919,750.24 : 1,268,169.60 = 629,501.84 : x - Step 2: Convert to fraction form
919,750.24/1,268,169.60 = 629,501.84/x - Step 3: Cross multiply
919,750.24x = 1,268,169.60 × 629,501.84 - Step 4: Simplify right side
919,750.24x = 798,315,096,632.06 - Step 5: Solve for x
x = 798,315,096,632.06/919,750.24 - Step 6: Final answer
x = 867,969.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.