Finding the Fourth Proportional to 882,321.75, 1,323,482.76 and 217,473.75
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Solution
The fourth proportional to 882,321.75, 1,323,482.76 and 217,473.75 is: 326,210.66
Step by Step Solution
- Step 1: Write the proportion equation
882,321.75 : 1,323,482.76 = 217,473.75 : x - Step 2: Convert to fraction form
882,321.75/1,323,482.76 = 217,473.75/x - Step 3: Cross multiply
882,321.75x = 1,323,482.76 × 217,473.75 - Step 4: Simplify right side
882,321.75x = 287,822,758,877.55 - Step 5: Solve for x
x = 287,822,758,877.55/882,321.75 - Step 6: Final answer
x = 326,210.66
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1.5x scale
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.