Home / 499,911.04-689,877.28-273,556.56

Finding the Fourth Proportional to 499,911.04, 689,877.28 and 273,556.56

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Solution

The fourth proportional to 499,911.04, 689,877.28 and 273,556.56 is: 377,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,911.04 : 689,877.28 = 273,556.56 : x
  2. Step 2: Convert to fraction form
    499,911.04/689,877.28 = 273,556.56/x
  3. Step 3: Cross multiply
    499,911.04x = 689,877.28 × 273,556.56
  4. Step 4: Simplify right side
    499,911.04x = 188,720,455,538.96
  5. Step 5: Solve for x
    x = 188,720,455,538.96/499,911.04
  6. Step 6: Final answer
    x = 377,508.08

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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.