Finding the Fourth Proportional to 856,401.99, 1,181,960.57 and 493,754.87
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Solution
The fourth proportional to 856,401.99, 1,181,960.57 and 493,754.87 is: 681,454.26
Step by Step Solution
- Step 1: Write the proportion equation
856,401.99 : 1,181,960.57 = 493,754.87 : x - Step 2: Convert to fraction form
856,401.99/1,181,960.57 = 493,754.87/x - Step 3: Cross multiply
856,401.99x = 1,181,960.57 × 493,754.87 - Step 4: Simplify right side
856,401.99x = 583,598,782,910.06 - Step 5: Solve for x
x = 583,598,782,910.06/856,401.99 - Step 6: Final answer
x = 681,454.26
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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.