Home / 493,794.38-681,434.14-276,002.76

Finding the Fourth Proportional to 493,794.38, 681,434.14 and 276,002.76

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Solution

The fourth proportional to 493,794.38, 681,434.14 and 276,002.76 is: 380,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,794.38 : 681,434.14 = 276,002.76 : x
  2. Step 2: Convert to fraction form
    493,794.38/681,434.14 = 276,002.76/x
  3. Step 3: Cross multiply
    493,794.38x = 681,434.14 × 276,002.76
  4. Step 4: Simplify right side
    493,794.38x = 188,077,703,398.23
  5. Step 5: Solve for x
    x = 188,077,703,398.23/493,794.38
  6. Step 6: Final answer
    x = 380,882.63

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1.5x scale

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.