Finding the Fourth Proportional to 846,411.41, 1,268,949.06 and 419,652.99
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Solution
The fourth proportional to 846,411.41, 1,268,949.06 and 419,652.99 is: 629,148.27
Step by Step Solution
- Step 1: Write the proportion equation
846,411.41 : 1,268,949.06 = 419,652.99 : x - Step 2: Convert to fraction form
846,411.41/1,268,949.06 = 419,652.99/x - Step 3: Cross multiply
846,411.41x = 1,268,949.06 × 419,652.99 - Step 4: Simplify right side
846,411.41x = 532,518,267,186.69 - Step 5: Solve for x
x = 532,518,267,186.69/846,411.41 - Step 6: Final answer
x = 629,148.27
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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.