Home / 499,826.70-689,759.55-273,472.20

Finding the Fourth Proportional to 499,826.70, 689,759.55 and 273,472.20

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Solution

The fourth proportional to 499,826.70, 689,759.55 and 273,472.20 is: 377,390.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,826.70 : 689,759.55 = 273,472.20 : x
  2. Step 2: Convert to fraction form
    499,826.70/689,759.55 = 273,472.20/x
  3. Step 3: Cross multiply
    499,826.70x = 689,759.55 × 273,472.20
  4. Step 4: Simplify right side
    499,826.70x = 188,630,061,609.51
  5. Step 5: Solve for x
    x = 188,630,061,609.51/499,826.70
  6. Step 6: Final answer
    x = 377,390.93

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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.