Finding the Fourth Proportional to 1,028,238.88, 1,542,423.66 and 318,207.28
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Solution
The fourth proportional to 1,028,238.88, 1,542,423.66 and 318,207.28 is: 477,331.14
Step by Step Solution
- Step 1: Write the proportion equation
1,028,238.88 : 1,542,423.66 = 318,207.28 : x - Step 2: Convert to fraction form
1,028,238.88/1,542,423.66 = 318,207.28/x - Step 3: Cross multiply
1,028,238.88x = 1,542,423.66 × 318,207.28 - Step 4: Simplify right side
1,028,238.88x = 490,810,437,456.25 - Step 5: Solve for x
x = 490,810,437,456.25/1,028,238.88 - Step 6: Final answer
x = 477,331.14
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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.