Finding the Fourth Proportional to 809,404.26, 1,116,981.44 and 446,831.09
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Solution
The fourth proportional to 809,404.26, 1,116,981.44 and 446,831.09 is: 616,628.87
Step by Step Solution
- Step 1: Write the proportion equation
809,404.26 : 1,116,981.44 = 446,831.09 : x - Step 2: Convert to fraction form
809,404.26/1,116,981.44 = 446,831.09/x - Step 3: Cross multiply
809,404.26x = 1,116,981.44 × 446,831.09 - Step 4: Simplify right side
809,404.26x = 499,102,032,390.20 - Step 5: Solve for x
x = 499,102,032,390.20/809,404.26 - Step 6: Final answer
x = 616,628.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.