Finding the Fourth Proportional to 903,107.44, 1,353,712.87 and 303,860.53
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Solution
The fourth proportional to 903,107.44, 1,353,712.87 and 303,860.53 is: 455,471.73
Step by Step Solution
- Step 1: Write the proportion equation
903,107.44 : 1,353,712.87 = 303,860.53 : x - Step 2: Convert to fraction form
903,107.44/1,353,712.87 = 303,860.53/x - Step 3: Cross multiply
903,107.44x = 1,353,712.87 × 303,860.53 - Step 4: Simplify right side
903,107.44x = 411,339,912,217.99 - Step 5: Solve for x
x = 411,339,912,217.99/903,107.44 - Step 6: Final answer
x = 455,471.73
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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.