Home / 422,827-583,518.90-231,847.72

Finding the Fourth Proportional to 422,827, 583,518.90 and 231,847.72

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Solution

The fourth proportional to 422,827, 583,518.90 and 231,847.72 is: 319,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,827 : 583,518.90 = 231,847.72 : x
  2. Step 2: Convert to fraction form
    422,827/583,518.90 = 231,847.72/x
  3. Step 3: Cross multiply
    422,827x = 583,518.90 × 231,847.72
  4. Step 4: Simplify right side
    422,827x = 135,287,526,541.91
  5. Step 5: Solve for x
    x = 135,287,526,541.91/422,827
  6. Step 6: Final answer
    x = 319,959.53

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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.