Finding the Fourth Proportional to 682,656.19, 1,025,313.09 and 556,389.75
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Solution
The fourth proportional to 682,656.19, 1,025,313.09 and 556,389.75 is: 835,667.65
Step by Step Solution
- Step 1: Write the proportion equation
682,656.19 : 1,025,313.09 = 556,389.75 : x - Step 2: Convert to fraction form
682,656.19/1,025,313.09 = 556,389.75/x - Step 3: Cross multiply
682,656.19x = 1,025,313.09 × 556,389.75 - Step 4: Simplify right side
682,656.19x = 570,473,693,816.83 - Step 5: Solve for x
x = 570,473,693,816.83/682,656.19 - Step 6: Final answer
x = 835,667.65
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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.