Finding the Fourth Proportional to 920,662.72, 1,380,108.32 and 471,595.08
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Solution
The fourth proportional to 920,662.72, 1,380,108.32 and 471,595.08 is: 706,938.89
Step by Step Solution
- Step 1: Write the proportion equation
920,662.72 : 1,380,108.32 = 471,595.08 : x - Step 2: Convert to fraction form
920,662.72/1,380,108.32 = 471,595.08/x - Step 3: Cross multiply
920,662.72x = 1,380,108.32 × 471,595.08 - Step 4: Simplify right side
920,662.72x = 650,852,284,320.55 - Step 5: Solve for x
x = 650,852,284,320.55/920,662.72 - Step 6: Final answer
x = 706,938.89
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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.