Home / 422,777.26-583,438.31-231,790.20

Finding the Fourth Proportional to 422,777.26, 583,438.31 and 231,790.20

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Solution

The fourth proportional to 422,777.26, 583,438.31 and 231,790.20 is: 319,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,777.26 : 583,438.31 = 231,790.20 : x
  2. Step 2: Convert to fraction form
    422,777.26/583,438.31 = 231,790.20/x
  3. Step 3: Cross multiply
    422,777.26x = 583,438.31 × 231,790.20
  4. Step 4: Simplify right side
    422,777.26x = 135,235,282,562.56
  5. Step 5: Solve for x
    x = 135,235,282,562.56/422,777.26
  6. Step 6: Final answer
    x = 319,873.60

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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.