Finding the Fourth Proportional to 969,965.87, 1,338,415.61 and 550,847.14
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Solution
The fourth proportional to 969,965.87, 1,338,415.61 and 550,847.14 is: 760,091.08
Step by Step Solution
- Step 1: Write the proportion equation
969,965.87 : 1,338,415.61 = 550,847.14 : x - Step 2: Convert to fraction form
969,965.87/1,338,415.61 = 550,847.14/x - Step 3: Cross multiply
969,965.87x = 1,338,415.61 × 550,847.14 - Step 4: Simplify right side
969,965.87x = 737,262,412,276.97 - Step 5: Solve for x
x = 737,262,412,276.97/969,965.87 - Step 6: Final answer
x = 760,091.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.