Finding the Fourth Proportional to 909,620.38, 1,364,496.18 and 278,452.18
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Solution
The fourth proportional to 909,620.38, 1,364,496.18 and 278,452.18 is: 417,698.35
Step by Step Solution
- Step 1: Write the proportion equation
909,620.38 : 1,364,496.18 = 278,452.18 : x - Step 2: Convert to fraction form
909,620.38/1,364,496.18 = 278,452.18/x - Step 3: Cross multiply
909,620.38x = 1,364,496.18 × 278,452.18 - Step 4: Simplify right side
909,620.38x = 379,946,935,922.67 - Step 5: Solve for x
x = 379,946,935,922.67/909,620.38 - Step 6: Final answer
x = 417,698.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.