Finding the Fourth Proportional to 682,650.19, 1,025,304.09 and 556,383.75
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Solution
The fourth proportional to 682,650.19, 1,025,304.09 and 556,383.75 is: 835,658.65
Step by Step Solution
- Step 1: Write the proportion equation
682,650.19 : 1,025,304.09 = 556,383.75 : x - Step 2: Convert to fraction form
682,650.19/1,025,304.09 = 556,383.75/x - Step 3: Cross multiply
682,650.19x = 1,025,304.09 × 556,383.75 - Step 4: Simplify right side
682,650.19x = 570,462,534,484.54 - Step 5: Solve for x
x = 570,462,534,484.54/682,650.19 - Step 6: Final answer
x = 835,658.65
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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.