Finding the Fourth Proportional to 748,145.86, 1,122,563.85 and 464,169.99
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Solution
The fourth proportional to 748,145.86, 1,122,563.85 and 464,169.99 is: 696,469.07
Step by Step Solution
- Step 1: Write the proportion equation
748,145.86 : 1,122,563.85 = 464,169.99 : x - Step 2: Convert to fraction form
748,145.86/1,122,563.85 = 464,169.99/x - Step 3: Cross multiply
748,145.86x = 1,122,563.85 × 464,169.99 - Step 4: Simplify right side
748,145.86x = 521,060,451,028.86 - Step 5: Solve for x
x = 521,060,451,028.86/748,145.86 - Step 6: Final answer
x = 696,469.07
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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.