Finding the Fourth Proportional to 787,357.11, 1,179,260.01 and 365,745.75
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Solution
The fourth proportional to 787,357.11, 1,179,260.01 and 365,745.75 is: 547,793.79
Step by Step Solution
- Step 1: Write the proportion equation
787,357.11 : 1,179,260.01 = 365,745.75 : x - Step 2: Convert to fraction form
787,357.11/1,179,260.01 = 365,745.75/x - Step 3: Cross multiply
787,357.11x = 1,179,260.01 × 365,745.75 - Step 4: Simplify right side
787,357.11x = 431,309,336,802.46 - Step 5: Solve for x
x = 431,309,336,802.46/787,357.11 - Step 6: Final answer
x = 547,793.79
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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.