Finding the Fourth Proportional to 861,367.36, 1,294,153.44 and 813,622.72
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Solution
The fourth proportional to 861,367.36, 1,294,153.44 and 813,622.72 is: 1,222,419.95
Step by Step Solution
- Step 1: Write the proportion equation
861,367.36 : 1,294,153.44 = 813,622.72 : x - Step 2: Convert to fraction form
861,367.36/1,294,153.44 = 813,622.72/x - Step 3: Cross multiply
861,367.36x = 1,294,153.44 × 813,622.72 - Step 4: Simplify right side
861,367.36x = 1,052,952,641,950.16 - Step 5: Solve for x
x = 1,052,952,641,950.16/861,367.36 - Step 6: Final answer
x = 1,222,419.95
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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.