Finding the Fourth Proportional to 722,749.44, 1,084,525.92 and 323,374.08
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Solution
The fourth proportional to 722,749.44, 1,084,525.92 and 323,374.08 is: 485,240.88
Step by Step Solution
- Step 1: Write the proportion equation
722,749.44 : 1,084,525.92 = 323,374.08 : x - Step 2: Convert to fraction form
722,749.44/1,084,525.92 = 323,374.08/x - Step 3: Cross multiply
722,749.44x = 1,084,525.92 × 323,374.08 - Step 4: Simplify right side
722,749.44x = 350,707,571,616.15 - Step 5: Solve for x
x = 350,707,571,616.15/722,749.44 - Step 6: Final answer
x = 485,240.88
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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.