Home / 979,793.86-1,469,783.24-380,800.89

Finding the Fourth Proportional to 979,793.86, 1,469,783.24 and 380,800.89

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Solution

The fourth proportional to 979,793.86, 1,469,783.24 and 380,800.89 is: 571,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,793.86 : 1,469,783.24 = 380,800.89 : x
  2. Step 2: Convert to fraction form
    979,793.86/1,469,783.24 = 380,800.89/x
  3. Step 3: Cross multiply
    979,793.86x = 1,469,783.24 × 380,800.89
  4. Step 4: Simplify right side
    979,793.86x = 559,694,765,899.08
  5. Step 5: Solve for x
    x = 559,694,765,899.08/979,793.86
  6. Step 6: Final answer
    x = 571,237.27

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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.