Finding the Fourth Proportional to 861,741.36, 1,290,687.12 and 624,539.52
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Solution
The fourth proportional to 861,741.36, 1,290,687.12 and 624,539.52 is: 935,414.21
Step by Step Solution
- Step 1: Write the proportion equation
861,741.36 : 1,290,687.12 = 624,539.52 : x - Step 2: Convert to fraction form
861,741.36/1,290,687.12 = 624,539.52/x - Step 3: Cross multiply
861,741.36x = 1,290,687.12 × 624,539.52 - Step 4: Simplify right side
861,741.36x = 806,085,114,394.98 - Step 5: Solve for x
x = 806,085,114,394.98/861,741.36 - Step 6: Final answer
x = 935,414.21
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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.