Home / 422,749.35-583,394.10-231,764.07

Finding the Fourth Proportional to 422,749.35, 583,394.10 and 231,764.07

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Solution

The fourth proportional to 422,749.35, 583,394.10 and 231,764.07 is: 319,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,749.35 : 583,394.10 = 231,764.07 : x
  2. Step 2: Convert to fraction form
    422,749.35/583,394.10 = 231,764.07/x
  3. Step 3: Cross multiply
    422,749.35x = 583,394.10 × 231,764.07
  4. Step 4: Simplify right side
    422,749.35x = 135,209,791,029.99
  5. Step 5: Solve for x
    x = 135,209,791,029.99/422,749.35
  6. Step 6: Final answer
    x = 319,834.41

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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.