Home / 422,784.08-583,441.86-231,793.40

Finding the Fourth Proportional to 422,784.08, 583,441.86 and 231,793.40

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Solution

The fourth proportional to 422,784.08, 583,441.86 and 231,793.40 is: 319,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,784.08 : 583,441.86 = 231,793.40 : x
  2. Step 2: Convert to fraction form
    422,784.08/583,441.86 = 231,793.40/x
  3. Step 3: Cross multiply
    422,784.08x = 583,441.86 × 231,793.40
  4. Step 4: Simplify right side
    422,784.08x = 135,237,972,431.72
  5. Step 5: Solve for x
    x = 135,237,972,431.72/422,784.08
  6. Step 6: Final answer
    x = 319,874.80

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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.