Home / 742,878.78-1,114,760.85-269,601.03

Finding the Fourth Proportional to 742,878.78, 1,114,760.85 and 269,601.03

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Solution

The fourth proportional to 742,878.78, 1,114,760.85 and 269,601.03 is: 404,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,878.78 : 1,114,760.85 = 269,601.03 : x
  2. Step 2: Convert to fraction form
    742,878.78/1,114,760.85 = 269,601.03/x
  3. Step 3: Cross multiply
    742,878.78x = 1,114,760.85 × 269,601.03
  4. Step 4: Simplify right side
    742,878.78x = 300,540,673,363.68
  5. Step 5: Solve for x
    x = 300,540,673,363.68/742,878.78
  6. Step 6: Final answer
    x = 404,562.20

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1.5x scale

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.