Finding the Fourth Proportional to 840,460.36, 1,159,890.12 and 477,917.92
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Solution
The fourth proportional to 840,460.36, 1,159,890.12 and 477,917.92 is: 659,557.90
Step by Step Solution
- Step 1: Write the proportion equation
840,460.36 : 1,159,890.12 = 477,917.92 : x - Step 2: Convert to fraction form
840,460.36/1,159,890.12 = 477,917.92/x - Step 3: Cross multiply
840,460.36x = 1,159,890.12 × 477,917.92 - Step 4: Simplify right side
840,460.36x = 554,332,273,578.95 - Step 5: Solve for x
x = 554,332,273,578.95/840,460.36 - Step 6: Final answer
x = 659,557.90
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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.