Finding the Fourth Proportional to 739,697.63, 1,109,596.14 and 259,867.08
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Solution
The fourth proportional to 739,697.63, 1,109,596.14 and 259,867.08 is: 389,818.08
Step by Step Solution
- Step 1: Write the proportion equation
739,697.63 : 1,109,596.14 = 259,867.08 : x - Step 2: Convert to fraction form
739,697.63/1,109,596.14 = 259,867.08/x - Step 3: Cross multiply
739,697.63x = 1,109,596.14 × 259,867.08 - Step 4: Simplify right side
739,697.63x = 288,347,508,881.07 - Step 5: Solve for x
x = 288,347,508,881.07/739,697.63 - Step 6: Final answer
x = 389,818.08
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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.