Finding the Fourth Proportional to 983,010.20, 1,474,515.30 and 888,531.80
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Solution
The fourth proportional to 983,010.20, 1,474,515.30 and 888,531.80 is: 1,332,797.70
Step by Step Solution
- Step 1: Write the proportion equation
983,010.20 : 1,474,515.30 = 888,531.80 : x - Step 2: Convert to fraction form
983,010.20/1,474,515.30 = 888,531.80/x - Step 3: Cross multiply
983,010.20x = 1,474,515.30 × 888,531.80 - Step 4: Simplify right side
983,010.20x = 1,310,153,733,636.54 - Step 5: Solve for x
x = 1,310,153,733,636.54/983,010.20 - Step 6: Final answer
x = 1,332,797.70
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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.