Finding the Fourth Proportional to 857,723.08, 1,183,559.70 and 495,145.48
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Solution
The fourth proportional to 857,723.08, 1,183,559.70 and 495,145.48 is: 683,244.10
Step by Step Solution
- Step 1: Write the proportion equation
857,723.08 : 1,183,559.70 = 495,145.48 : x - Step 2: Convert to fraction form
857,723.08/1,183,559.70 = 495,145.48/x - Step 3: Cross multiply
857,723.08x = 1,183,559.70 × 495,145.48 - Step 4: Simplify right side
857,723.08x = 586,034,235,765.16 - Step 5: Solve for x
x = 586,034,235,765.16/857,723.08 - Step 6: Final answer
x = 683,244.10
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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.