Finding the Fourth Proportional to 574,492.81, 792,785.68 and 316,367.73
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Solution
The fourth proportional to 574,492.81, 792,785.68 and 316,367.73 is: 436,579.54
Step by Step Solution
- Step 1: Write the proportion equation
574,492.81 : 792,785.68 = 316,367.73 : x - Step 2: Convert to fraction form
574,492.81/792,785.68 = 316,367.73/x - Step 3: Cross multiply
574,492.81x = 792,785.68 × 316,367.73 - Step 4: Simplify right side
574,492.81x = 250,811,805,958.11 - Step 5: Solve for x
x = 250,811,805,958.11/574,492.81 - Step 6: Final answer
x = 436,579.54
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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.