Finding the Fourth Proportional to 857,979.38, 1,184,183.88 and 495,462.26
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Solution
The fourth proportional to 857,979.38, 1,184,183.88 and 495,462.26 is: 683,837.44
Step by Step Solution
- Step 1: Write the proportion equation
857,979.38 : 1,184,183.88 = 495,462.26 : x - Step 2: Convert to fraction form
857,979.38/1,184,183.88 = 495,462.26/x - Step 3: Cross multiply
857,979.38x = 1,184,183.88 × 495,462.26 - Step 4: Simplify right side
857,979.38x = 586,718,421,440.37 - Step 5: Solve for x
x = 586,718,421,440.37/857,979.38 - Step 6: Final answer
x = 683,837.44
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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.