Finding the Fourth Proportional to 809,831.28, 1,214,622.48 and 270,097.08
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Solution
The fourth proportional to 809,831.28, 1,214,622.48 and 270,097.08 is: 405,104.12
Step by Step Solution
- Step 1: Write the proportion equation
809,831.28 : 1,214,622.48 = 270,097.08 : x - Step 2: Convert to fraction form
809,831.28/1,214,622.48 = 270,097.08/x - Step 3: Cross multiply
809,831.28x = 1,214,622.48 × 270,097.08 - Step 4: Simplify right side
809,831.28x = 328,065,985,150.36 - Step 5: Solve for x
x = 328,065,985,150.36/809,831.28 - Step 6: Final answer
x = 405,104.12
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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.