Finding the Fourth Proportional to 1,028,725.92, 1,542,525.12 and 318,556.80
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Solution
The fourth proportional to 1,028,725.92, 1,542,525.12 and 318,556.80 is: 477,660.63
Step by Step Solution
- Step 1: Write the proportion equation
1,028,725.92 : 1,542,525.12 = 318,556.80 : x - Step 2: Convert to fraction form
1,028,725.92/1,542,525.12 = 318,556.80/x - Step 3: Cross multiply
1,028,725.92x = 1,542,525.12 × 318,556.80 - Step 4: Simplify right side
1,028,725.92x = 491,381,866,146.82 - Step 5: Solve for x
x = 491,381,866,146.82/1,028,725.92 - Step 6: Final answer
x = 477,660.63
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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.