Finding the Fourth Proportional to 887,380.80, 1,331,202.24 and 326,374.08
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Solution
The fourth proportional to 887,380.80, 1,331,202.24 and 326,374.08 is: 489,609.32
Step by Step Solution
- Step 1: Write the proportion equation
887,380.80 : 1,331,202.24 = 326,374.08 : x - Step 2: Convert to fraction form
887,380.80/1,331,202.24 = 326,374.08/x - Step 3: Cross multiply
887,380.80x = 1,331,202.24 × 326,374.08 - Step 4: Simplify right side
887,380.80x = 434,469,906,373.94 - Step 5: Solve for x
x = 434,469,906,373.94/887,380.80 - Step 6: Final answer
x = 489,609.32
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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.