Finding the Fourth Proportional to 826,701.21, 1,239,737.06 and 489,836.92
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Solution
The fourth proportional to 826,701.21, 1,239,737.06 and 489,836.92 is: 734,568.88
Step by Step Solution
- Step 1: Write the proportion equation
826,701.21 : 1,239,737.06 = 489,836.92 : x - Step 2: Convert to fraction form
826,701.21/1,239,737.06 = 489,836.92/x - Step 3: Cross multiply
826,701.21x = 1,239,737.06 × 489,836.92 - Step 4: Simplify right side
826,701.21x = 607,268,980,631.07 - Step 5: Solve for x
x = 607,268,980,631.07/826,701.21 - Step 6: Final answer
x = 734,568.88
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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.