Finding the Fourth Proportional to 853,025.99, 1,279,535.33 and 347,474.21
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Solution
The fourth proportional to 853,025.99, 1,279,535.33 and 347,474.21 is: 521,209.82
Step by Step Solution
- Step 1: Write the proportion equation
853,025.99 : 1,279,535.33 = 347,474.21 : x - Step 2: Convert to fraction form
853,025.99/1,279,535.33 = 347,474.21/x - Step 3: Cross multiply
853,025.99x = 1,279,535.33 × 347,474.21 - Step 4: Simplify right side
853,025.99x = 444,605,522,429.85 - Step 5: Solve for x
x = 444,605,522,429.85/853,025.99 - Step 6: Final answer
x = 521,209.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.