Home / 854,791.70-1,282,023.53-255,772.40

Finding the Fourth Proportional to 854,791.70, 1,282,023.53 and 255,772.40

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Solution

The fourth proportional to 854,791.70, 1,282,023.53 and 255,772.40 is: 383,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,791.70 : 1,282,023.53 = 255,772.40 : x
  2. Step 2: Convert to fraction form
    854,791.70/1,282,023.53 = 255,772.40/x
  3. Step 3: Cross multiply
    854,791.70x = 1,282,023.53 × 255,772.40
  4. Step 4: Simplify right side
    854,791.70x = 327,906,233,845.71
  5. Step 5: Solve for x
    x = 327,906,233,845.71/854,791.70
  6. Step 6: Final answer
    x = 383,609.52

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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.