Finding the Fourth Proportional to 520,475.26, 718,246.49 and 294,115.90
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Solution
The fourth proportional to 520,475.26, 718,246.49 and 294,115.90 is: 405,874.65
Step by Step Solution
- Step 1: Write the proportion equation
520,475.26 : 718,246.49 = 294,115.90 : x - Step 2: Convert to fraction form
520,475.26/718,246.49 = 294,115.90/x - Step 3: Cross multiply
520,475.26x = 718,246.49 × 294,115.90 - Step 4: Simplify right side
520,475.26x = 211,247,712,828.19 - Step 5: Solve for x
x = 211,247,712,828.19/520,475.26 - Step 6: Final answer
x = 405,874.65
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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.