Home / 499,747.14-689,667.35-273,392.64

Finding the Fourth Proportional to 499,747.14, 689,667.35 and 273,392.64

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Solution

The fourth proportional to 499,747.14, 689,667.35 and 273,392.64 is: 377,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,747.14 : 689,667.35 = 273,392.64 : x
  2. Step 2: Convert to fraction form
    499,747.14/689,667.35 = 273,392.64/x
  3. Step 3: Cross multiply
    499,747.14x = 689,667.35 × 273,392.64
  4. Step 4: Simplify right side
    499,747.14x = 188,549,977,538.30
  5. Step 5: Solve for x
    x = 188,549,977,538.30/499,747.14
  6. Step 6: Final answer
    x = 377,290.76

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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.