Home / 673,198.65-928,981.75-367,256.78

Finding the Fourth Proportional to 673,198.65, 928,981.75 and 367,256.78

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Solution

The fourth proportional to 673,198.65, 928,981.75 and 367,256.78 is: 506,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,198.65 : 928,981.75 = 367,256.78 : x
  2. Step 2: Convert to fraction form
    673,198.65/928,981.75 = 367,256.78/x
  3. Step 3: Cross multiply
    673,198.65x = 928,981.75 × 367,256.78
  4. Step 4: Simplify right side
    673,198.65x = 341,174,846,183.77
  5. Step 5: Solve for x
    x = 341,174,846,183.77/673,198.65
  6. Step 6: Final answer
    x = 506,796.69

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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.