Home / 923,439.45-1,274,367.84-579,289.86

Finding the Fourth Proportional to 923,439.45, 1,274,367.84 and 579,289.86

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Solution

The fourth proportional to 923,439.45, 1,274,367.84 and 579,289.86 is: 799,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,439.45 : 1,274,367.84 = 579,289.86 : x
  2. Step 2: Convert to fraction form
    923,439.45/1,274,367.84 = 579,289.86/x
  3. Step 3: Cross multiply
    923,439.45x = 1,274,367.84 × 579,289.86
  4. Step 4: Simplify right side
    923,439.45x = 738,228,367,622.10
  5. Step 5: Solve for x
    x = 738,228,367,622.10/923,439.45
  6. Step 6: Final answer
    x = 799,433.43

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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.