Finding the Fourth Proportional to 773,728.14, 1,067,821.50 and 434,197.74
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Solution
The fourth proportional to 773,728.14, 1,067,821.50 and 434,197.74 is: 599,235.90
Step by Step Solution
- Step 1: Write the proportion equation
773,728.14 : 1,067,821.50 = 434,197.74 : x - Step 2: Convert to fraction form
773,728.14/1,067,821.50 = 434,197.74/x - Step 3: Cross multiply
773,728.14x = 1,067,821.50 × 434,197.74 - Step 4: Simplify right side
773,728.14x = 463,645,682,023.41 - Step 5: Solve for x
x = 463,645,682,023.41/773,728.14 - Step 6: Final answer
x = 599,235.90
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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.