Finding the Fourth Proportional to 880,891.80, 1,321,337.70 and 216,043.80
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Solution
The fourth proportional to 880,891.80, 1,321,337.70 and 216,043.80 is: 324,065.70
Step by Step Solution
- Step 1: Write the proportion equation
880,891.80 : 1,321,337.70 = 216,043.80 : x - Step 2: Convert to fraction form
880,891.80/1,321,337.70 = 216,043.80/x - Step 3: Cross multiply
880,891.80x = 1,321,337.70 × 216,043.80 - Step 4: Simplify right side
880,891.80x = 285,466,817,791.26 - Step 5: Solve for x
x = 285,466,817,791.26/880,891.80 - Step 6: Final answer
x = 324,065.70
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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.