Finding the Fourth Proportional to 930,901.24, 1,396,323.96 and 257,023.72
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Solution
The fourth proportional to 930,901.24, 1,396,323.96 and 257,023.72 is: 385,527.88
Step by Step Solution
- Step 1: Write the proportion equation
930,901.24 : 1,396,323.96 = 257,023.72 : x - Step 2: Convert to fraction form
930,901.24/1,396,323.96 = 257,023.72/x - Step 3: Cross multiply
930,901.24x = 1,396,323.96 × 257,023.72 - Step 4: Simplify right side
930,901.24x = 358,888,378,524.33 - Step 5: Solve for x
x = 358,888,378,524.33/930,901.24 - Step 6: Final answer
x = 385,527.88
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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.