Home / 422,869.73-583,586.79-231,883.12

Finding the Fourth Proportional to 422,869.73, 583,586.79 and 231,883.12

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Solution

The fourth proportional to 422,869.73, 583,586.79 and 231,883.12 is: 320,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,869.73 : 583,586.79 = 231,883.12 : x
  2. Step 2: Convert to fraction form
    422,869.73/583,586.79 = 231,883.12/x
  3. Step 3: Cross multiply
    422,869.73x = 583,586.79 × 231,883.12
  4. Step 4: Simplify right side
    422,869.73x = 135,323,925,655.99
  5. Step 5: Solve for x
    x = 135,323,925,655.99/422,869.73
  6. Step 6: Final answer
    x = 320,013.27

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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.