Home / 547,856.27-756,027.12-306,140.83

Finding the Fourth Proportional to 547,856.27, 756,027.12 and 306,140.83

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Solution

The fourth proportional to 547,856.27, 756,027.12 and 306,140.83 is: 422,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,856.27 : 756,027.12 = 306,140.83 : x
  2. Step 2: Convert to fraction form
    547,856.27/756,027.12 = 306,140.83/x
  3. Step 3: Cross multiply
    547,856.27x = 756,027.12 × 306,140.83
  4. Step 4: Simplify right side
    547,856.27x = 231,450,769,277.27
  5. Step 5: Solve for x
    x = 231,450,769,277.27/547,856.27
  6. Step 6: Final answer
    x = 422,466.22

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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.