Finding the Fourth Proportional to 469,278.96, 645,206.97 and 417,801.84
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Solution
The fourth proportional to 469,278.96, 645,206.97 and 417,801.84 is: 574,431.59
Step by Step Solution
- Step 1: Write the proportion equation
469,278.96 : 645,206.97 = 417,801.84 : x - Step 2: Convert to fraction form
469,278.96/645,206.97 = 417,801.84/x - Step 3: Cross multiply
469,278.96x = 645,206.97 × 417,801.84 - Step 4: Simplify right side
469,278.96x = 269,568,659,246.83 - Step 5: Solve for x
x = 269,568,659,246.83/469,278.96 - Step 6: Final answer
x = 574,431.59
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.