Finding the Fourth Proportional to 586,893.56, 809,917.26 and 318,621.56
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Solution
The fourth proportional to 586,893.56, 809,917.26 and 318,621.56 is: 439,700.00
Step by Step Solution
- Step 1: Write the proportion equation
586,893.56 : 809,917.26 = 318,621.56 : x - Step 2: Convert to fraction form
586,893.56/809,917.26 = 318,621.56/x - Step 3: Cross multiply
586,893.56x = 809,917.26 × 318,621.56 - Step 4: Simplify right side
586,893.56x = 258,057,100,852.13 - Step 5: Solve for x
x = 258,057,100,852.13/586,893.56 - Step 6: Final answer
x = 439,700.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.