Finding the Fourth Proportional to 910,971.56, 1,367,286.55 and 484,865.12
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Solution
The fourth proportional to 910,971.56, 1,367,286.55 and 484,865.12 is: 727,739.03
Step by Step Solution
- Step 1: Write the proportion equation
910,971.56 : 1,367,286.55 = 484,865.12 : x - Step 2: Convert to fraction form
910,971.56/1,367,286.55 = 484,865.12/x - Step 3: Cross multiply
910,971.56x = 1,367,286.55 × 484,865.12 - Step 4: Simplify right side
910,971.56x = 662,949,559,346.19 - Step 5: Solve for x
x = 662,949,559,346.19/910,971.56 - Step 6: Final answer
x = 727,739.03
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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.