Finding the Fourth Proportional to 963,361.92, 1,439,183.58 and 623,634.96
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Solution
The fourth proportional to 963,361.92, 1,439,183.58 and 623,634.96 is: 931,659.41
Step by Step Solution
- Step 1: Write the proportion equation
963,361.92 : 1,439,183.58 = 623,634.96 : x - Step 2: Convert to fraction form
963,361.92/1,439,183.58 = 623,634.96/x - Step 3: Cross multiply
963,361.92x = 1,439,183.58 × 623,634.96 - Step 4: Simplify right side
963,361.92x = 897,525,194,345.96 - Step 5: Solve for x
x = 897,525,194,345.96/963,361.92 - Step 6: Final answer
x = 931,659.41
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.