Finding the Fourth Proportional to 862,591.08, 1,190,380.56 and 500,230.08
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Solution
The fourth proportional to 862,591.08, 1,190,380.56 and 500,230.08 is: 690,320.33
Step by Step Solution
- Step 1: Write the proportion equation
862,591.08 : 1,190,380.56 = 500,230.08 : x - Step 2: Convert to fraction form
862,591.08/1,190,380.56 = 500,230.08/x - Step 3: Cross multiply
862,591.08x = 1,190,380.56 × 500,230.08 - Step 4: Simplify right side
862,591.08x = 595,464,162,759.25 - Step 5: Solve for x
x = 595,464,162,759.25/862,591.08 - Step 6: Final answer
x = 690,320.33
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1.5x scale
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.