Finding the Fourth Proportional to 1,725.56, 2,588.09 and 493.05
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Solution
The fourth proportional to 1,725.56, 2,588.09 and 493.05 is: 739.50
Step by Step Solution
- Step 1: Write the proportion equation
1,725.56 : 2,588.09 = 493.05 : x - Step 2: Convert to fraction form
1,725.56/2,588.09 = 493.05/x - Step 3: Cross multiply
1,725.56x = 2,588.09 × 493.05 - Step 4: Simplify right side
1,725.56x = 1,276,055.31 - Step 5: Solve for x
x = 1,276,055.31/1,725.56 - Step 6: Final answer
x = 739.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.