Home / 470,972.20-649,969.97-277,508.83

Finding the Fourth Proportional to 470,972.20, 649,969.97 and 277,508.83

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Solution

The fourth proportional to 470,972.20, 649,969.97 and 277,508.83 is: 382,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,972.20 : 649,969.97 = 277,508.83 : x
  2. Step 2: Convert to fraction form
    470,972.20/649,969.97 = 277,508.83/x
  3. Step 3: Cross multiply
    470,972.20x = 649,969.97 × 277,508.83
  4. Step 4: Simplify right side
    470,972.20x = 180,372,405,909.84
  5. Step 5: Solve for x
    x = 180,372,405,909.84/470,972.20
  6. Step 6: Final answer
    x = 382,978.88

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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.