Finding the Fourth Proportional to 1,028,370.24, 1,542,627.36 and 318,304.80
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Solution
The fourth proportional to 1,028,370.24, 1,542,627.36 and 318,304.80 is: 477,479.49
Step by Step Solution
- Step 1: Write the proportion equation
1,028,370.24 : 1,542,627.36 = 318,304.80 : x - Step 2: Convert to fraction form
1,028,370.24/1,542,627.36 = 318,304.80/x - Step 3: Cross multiply
1,028,370.24x = 1,542,627.36 × 318,304.80 - Step 4: Simplify right side
1,028,370.24x = 491,025,693,299.33 - Step 5: Solve for x
x = 491,025,693,299.33/1,028,370.24 - Step 6: Final answer
x = 477,479.49
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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.