Finding the Fourth Proportional to 540,687.99, 746,119.16 and 298,956.03
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Solution
The fourth proportional to 540,687.99, 746,119.16 and 298,956.03 is: 412,542.58
Step by Step Solution
- Step 1: Write the proportion equation
540,687.99 : 746,119.16 = 298,956.03 : x - Step 2: Convert to fraction form
540,687.99/746,119.16 = 298,956.03/x - Step 3: Cross multiply
540,687.99x = 746,119.16 × 298,956.03 - Step 4: Simplify right side
540,687.99x = 223,056,820,485.76 - Step 5: Solve for x
x = 223,056,820,485.76/540,687.99 - Step 6: Final answer
x = 412,542.58
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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.