Home / 547,544.28-755,595.48-305,819.76

Finding the Fourth Proportional to 547,544.28, 755,595.48 and 305,819.76

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Solution

The fourth proportional to 547,544.28, 755,595.48 and 305,819.76 is: 422,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,544.28 : 755,595.48 = 305,819.76 : x
  2. Step 2: Convert to fraction form
    547,544.28/755,595.48 = 305,819.76/x
  3. Step 3: Cross multiply
    547,544.28x = 755,595.48 × 305,819.76
  4. Step 4: Simplify right side
    547,544.28x = 231,076,028,350.69
  5. Step 5: Solve for x
    x = 231,076,028,350.69/547,544.28
  6. Step 6: Final answer
    x = 422,022.54

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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.