Finding the Fourth Proportional to 892,426.68, 1,339,171.92 and 323,852.18
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Solution
The fourth proportional to 892,426.68, 1,339,171.92 and 323,852.18 is: 485,971.28
Step by Step Solution
- Step 1: Write the proportion equation
892,426.68 : 1,339,171.92 = 323,852.18 : x - Step 2: Convert to fraction form
892,426.68/1,339,171.92 = 323,852.18/x - Step 3: Cross multiply
892,426.68x = 1,339,171.92 × 323,852.18 - Step 4: Simplify right side
892,426.68x = 433,693,738,990.93 - Step 5: Solve for x
x = 433,693,738,990.93/892,426.68 - Step 6: Final answer
x = 485,971.28
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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.