Home / 470,961.60-649,923.12-277,481.76

Finding the Fourth Proportional to 470,961.60, 649,923.12 and 277,481.76

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Solution

The fourth proportional to 470,961.60, 649,923.12 and 277,481.76 is: 382,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,961.60 : 649,923.12 = 277,481.76 : x
  2. Step 2: Convert to fraction form
    470,961.60/649,923.12 = 277,481.76/x
  3. Step 3: Cross multiply
    470,961.60x = 649,923.12 × 277,481.76
  4. Step 4: Simplify right side
    470,961.60x = 180,341,811,202.29
  5. Step 5: Solve for x
    x = 180,341,811,202.29/470,961.60
  6. Step 6: Final answer
    x = 382,922.54

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1.5x scale

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.