Finding the Fourth Proportional to 720,750.24, 1,081,247.04 and 247,321.44
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Solution
The fourth proportional to 720,750.24, 1,081,247.04 and 247,321.44 is: 371,023.91
Step by Step Solution
- Step 1: Write the proportion equation
720,750.24 : 1,081,247.04 = 247,321.44 : x - Step 2: Convert to fraction form
720,750.24/1,081,247.04 = 247,321.44/x - Step 3: Cross multiply
720,750.24x = 1,081,247.04 × 247,321.44 - Step 4: Simplify right side
720,750.24x = 267,415,574,928.54 - Step 5: Solve for x
x = 267,415,574,928.54/720,750.24 - Step 6: Final answer
x = 371,023.91
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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.