Home / 422,462.79-633,723.35-122,945.85

Finding the Fourth Proportional to 422,462.79, 633,723.35 and 122,945.85

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Solution

The fourth proportional to 422,462.79, 633,723.35 and 122,945.85 is: 184,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,462.79 : 633,723.35 = 122,945.85 : x
  2. Step 2: Convert to fraction form
    422,462.79/633,723.35 = 122,945.85/x
  3. Step 3: Cross multiply
    422,462.79x = 633,723.35 × 122,945.85
  4. Step 4: Simplify right side
    422,462.79x = 77,913,655,315.87
  5. Step 5: Solve for x
    x = 77,913,655,315.87/422,462.79
  6. Step 6: Final answer
    x = 184,427.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.