Home / 422,870.85-583,588.34-231,884.24

Finding the Fourth Proportional to 422,870.85, 583,588.34 and 231,884.24

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Solution

The fourth proportional to 422,870.85, 583,588.34 and 231,884.24 is: 320,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,870.85 : 583,588.34 = 231,884.24 : x
  2. Step 2: Convert to fraction form
    422,870.85/583,588.34 = 231,884.24/x
  3. Step 3: Cross multiply
    422,870.85x = 583,588.34 × 231,884.24
  4. Step 4: Simplify right side
    422,870.85x = 135,324,938,693.76
  5. Step 5: Solve for x
    x = 135,324,938,693.76/422,870.85
  6. Step 6: Final answer
    x = 320,014.82

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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.