Home / 499,742.04-689,660.33-273,387.54

Finding the Fourth Proportional to 499,742.04, 689,660.33 and 273,387.54

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Solution

The fourth proportional to 499,742.04, 689,660.33 and 273,387.54 is: 377,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,742.04 : 689,660.33 = 273,387.54 : x
  2. Step 2: Convert to fraction form
    499,742.04/689,660.33 = 273,387.54/x
  3. Step 3: Cross multiply
    499,742.04x = 689,660.33 × 273,387.54
  4. Step 4: Simplify right side
    499,742.04x = 188,544,541,054.29
  5. Step 5: Solve for x
    x = 188,544,541,054.29/499,742.04
  6. Step 6: Final answer
    x = 377,283.73

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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.