Finding the Fourth Proportional to 930,352.46, 1,394,642.80 and 298,823.44
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Solution
The fourth proportional to 930,352.46, 1,394,642.80 and 298,823.44 is: 447,950.62
Step by Step Solution
- Step 1: Write the proportion equation
930,352.46 : 1,394,642.80 = 298,823.44 : x - Step 2: Convert to fraction form
930,352.46/1,394,642.80 = 298,823.44/x - Step 3: Cross multiply
930,352.46x = 1,394,642.80 × 298,823.44 - Step 4: Simplify right side
930,352.46x = 416,751,959,067.23 - Step 5: Solve for x
x = 416,751,959,067.23/930,352.46 - Step 6: Final answer
x = 447,950.62
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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.