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Finding the Fourth Proportional to 471,620.27, 650,815.56 and 256,761.09

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Solution

The fourth proportional to 471,620.27, 650,815.56 and 256,761.09 is: 354,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,620.27 : 650,815.56 = 256,761.09 : x
  2. Step 2: Convert to fraction form
    471,620.27/650,815.56 = 256,761.09/x
  3. Step 3: Cross multiply
    471,620.27x = 650,815.56 × 256,761.09
  4. Step 4: Simplify right side
    471,620.27x = 167,104,112,574.56
  5. Step 5: Solve for x
    x = 167,104,112,574.56/471,620.27
  6. Step 6: Final answer
    x = 354,319.19

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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.