Finding the Fourth Proportional to 930,314.99, 1,394,586.61 and 298,785.94
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Solution
The fourth proportional to 930,314.99, 1,394,586.61 and 298,785.94 is: 447,894.39
Step by Step Solution
- Step 1: Write the proportion equation
930,314.99 : 1,394,586.61 = 298,785.94 : x - Step 2: Convert to fraction form
930,314.99/1,394,586.61 = 298,785.94/x - Step 3: Cross multiply
930,314.99x = 1,394,586.61 × 298,785.94 - Step 4: Simplify right side
930,314.99x = 416,682,866,946.83 - Step 5: Solve for x
x = 416,682,866,946.83/930,314.99 - Step 6: Final answer
x = 447,894.39
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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.