Home / 470,896.37-649,819.07-256,036.61

Finding the Fourth Proportional to 470,896.37, 649,819.07 and 256,036.61

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Solution

The fourth proportional to 470,896.37, 649,819.07 and 256,036.61 is: 353,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,896.37 : 649,819.07 = 256,036.61 : x
  2. Step 2: Convert to fraction form
    470,896.37/649,819.07 = 256,036.61/x
  3. Step 3: Cross multiply
    470,896.37x = 649,819.07 × 256,036.61
  4. Step 4: Simplify right side
    470,896.37x = 166,377,474,060.79
  5. Step 5: Solve for x
    x = 166,377,474,060.79/470,896.37
  6. Step 6: Final answer
    x = 353,320.78

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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.