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Finding the Fourth Proportional to 416,676.72, 574,635.92 and 273,382.32

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Solution

The fourth proportional to 416,676.72, 574,635.92 and 273,382.32 is: 377,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,676.72 : 574,635.92 = 273,382.32 : x
  2. Step 2: Convert to fraction form
    416,676.72/574,635.92 = 273,382.32/x
  3. Step 3: Cross multiply
    416,676.72x = 574,635.92 × 273,382.32
  4. Step 4: Simplify right side
    416,676.72x = 157,095,300,964.93
  5. Step 5: Solve for x
    x = 157,095,300,964.93/416,676.72
  6. Step 6: Final answer
    x = 377,019.63

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1.5x scale

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.