Home / 673,324.90-1,009,520.78-252,487.78

Finding the Fourth Proportional to 673,324.90, 1,009,520.78 and 252,487.78

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Solution

The fourth proportional to 673,324.90, 1,009,520.78 and 252,487.78 is: 378,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,324.90 : 1,009,520.78 = 252,487.78 : x
  2. Step 2: Convert to fraction form
    673,324.90/1,009,520.78 = 252,487.78/x
  3. Step 3: Cross multiply
    673,324.90x = 1,009,520.78 × 252,487.78
  4. Step 4: Simplify right side
    673,324.90x = 254,891,660,606.07
  5. Step 5: Solve for x
    x = 254,891,660,606.07/673,324.90
  6. Step 6: Final answer
    x = 378,556.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.