Home / 470,867.64-649,816.20-256,007.04

Finding the Fourth Proportional to 470,867.64, 649,816.20 and 256,007.04

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Solution

The fourth proportional to 470,867.64, 649,816.20 and 256,007.04 is: 353,299.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,867.64 : 649,816.20 = 256,007.04 : x
  2. Step 2: Convert to fraction form
    470,867.64/649,816.20 = 256,007.04/x
  3. Step 3: Cross multiply
    470,867.64x = 649,816.20 × 256,007.04
  4. Step 4: Simplify right side
    470,867.64x = 166,357,521,906.05
  5. Step 5: Solve for x
    x = 166,357,521,906.05/470,867.64
  6. Step 6: Final answer
    x = 353,299.97

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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.