Home / 863,320.89-1,294,760.46-255,967.20

Finding the Fourth Proportional to 863,320.89, 1,294,760.46 and 255,967.20

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Solution

The fourth proportional to 863,320.89, 1,294,760.46 and 255,967.20 is: 383,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,320.89 : 1,294,760.46 = 255,967.20 : x
  2. Step 2: Convert to fraction form
    863,320.89/1,294,760.46 = 255,967.20/x
  3. Step 3: Cross multiply
    863,320.89x = 1,294,760.46 × 255,967.20
  4. Step 4: Simplify right side
    863,320.89x = 331,416,204,281.62
  5. Step 5: Solve for x
    x = 331,416,204,281.62/863,320.89
  6. Step 6: Final answer
    x = 383,885.31

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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.