Finding the Fourth Proportional to 1,028,812.92, 1,542,655.62 and 318,643.80
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Solution
The fourth proportional to 1,028,812.92, 1,542,655.62 and 318,643.80 is: 477,791.09
Step by Step Solution
- Step 1: Write the proportion equation
1,028,812.92 : 1,542,655.62 = 318,643.80 : x - Step 2: Convert to fraction form
1,028,812.92/1,542,655.62 = 318,643.80/x - Step 3: Cross multiply
1,028,812.92x = 1,542,655.62 × 318,643.80 - Step 4: Simplify right side
1,028,812.92x = 491,557,648,848.16 - Step 5: Solve for x
x = 491,557,648,848.16/1,028,812.92 - Step 6: Final answer
x = 477,791.09
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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.