Finding the Fourth Proportional to 921,697.38, 1,381,596.08 and 352,923.08
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Solution
The fourth proportional to 921,697.38, 1,381,596.08 and 352,923.08 is: 529,020.85
Step by Step Solution
- Step 1: Write the proportion equation
921,697.38 : 1,381,596.08 = 352,923.08 : x - Step 2: Convert to fraction form
921,697.38/1,381,596.08 = 352,923.08/x - Step 3: Cross multiply
921,697.38x = 1,381,596.08 × 352,923.08 - Step 4: Simplify right side
921,697.38x = 487,597,135,196.93 - Step 5: Solve for x
x = 487,597,135,196.93/921,697.38 - Step 6: Final answer
x = 529,020.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.