Home / 499,535.36-689,364.24-273,176

Finding the Fourth Proportional to 499,535.36, 689,364.24 and 273,176

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Solution

The fourth proportional to 499,535.36, 689,364.24 and 273,176 is: 376,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,535.36 : 689,364.24 = 273,176 : x
  2. Step 2: Convert to fraction form
    499,535.36/689,364.24 = 273,176/x
  3. Step 3: Cross multiply
    499,535.36x = 689,364.24 × 273,176
  4. Step 4: Simplify right side
    499,535.36x = 188,317,765,626.24
  5. Step 5: Solve for x
    x = 188,317,765,626.24/499,535.36
  6. Step 6: Final answer
    x = 376,985.86

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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.