Finding the Fourth Proportional to 682,555.36, 1,023,036 and 513,532.84
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Solution
The fourth proportional to 682,555.36, 1,023,036 and 513,532.84 is: 769,699.59
Step by Step Solution
- Step 1: Write the proportion equation
682,555.36 : 1,023,036 = 513,532.84 : x - Step 2: Convert to fraction form
682,555.36/1,023,036 = 513,532.84/x - Step 3: Cross multiply
682,555.36x = 1,023,036 × 513,532.84 - Step 4: Simplify right side
682,555.36x = 525,362,582,502.24 - Step 5: Solve for x
x = 525,362,582,502.24/682,555.36 - Step 6: Final answer
x = 769,699.59
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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.