Finding the Fourth Proportional to 782,059.98, 1,173,277.23 and 326,397.87
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Solution
The fourth proportional to 782,059.98, 1,173,277.23 and 326,397.87 is: 489,674.96
Step by Step Solution
- Step 1: Write the proportion equation
782,059.98 : 1,173,277.23 = 326,397.87 : x - Step 2: Convert to fraction form
782,059.98/1,173,277.23 = 326,397.87/x - Step 3: Cross multiply
782,059.98x = 1,173,277.23 × 326,397.87 - Step 4: Simplify right side
782,059.98x = 382,955,188,791.50 - Step 5: Solve for x
x = 382,955,188,791.50/782,059.98 - Step 6: Final answer
x = 489,674.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.