Finding the Fourth Proportional to 957,074.56, 1,320,821.88 and 527,354.62
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Solution
The fourth proportional to 957,074.56, 1,320,821.88 and 527,354.62 is: 727,781.88
Step by Step Solution
- Step 1: Write the proportion equation
957,074.56 : 1,320,821.88 = 527,354.62 : x - Step 2: Convert to fraction form
957,074.56/1,320,821.88 = 527,354.62/x - Step 3: Cross multiply
957,074.56x = 1,320,821.88 × 527,354.62 - Step 4: Simplify right side
957,074.56x = 696,541,520,615.09 - Step 5: Solve for x
x = 696,541,520,615.09/957,074.56 - Step 6: Final answer
x = 727,781.88
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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.