Home / 470,974.44-649,961.79-269,809.32

Finding the Fourth Proportional to 470,974.44, 649,961.79 and 269,809.32

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Solution

The fourth proportional to 470,974.44, 649,961.79 and 269,809.32 is: 372,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,974.44 : 649,961.79 = 269,809.32 : x
  2. Step 2: Convert to fraction form
    470,974.44/649,961.79 = 269,809.32/x
  3. Step 3: Cross multiply
    470,974.44x = 649,961.79 × 269,809.32
  4. Step 4: Simplify right side
    470,974.44x = 175,365,748,585.88
  5. Step 5: Solve for x
    x = 175,365,748,585.88/470,974.44
  6. Step 6: Final answer
    x = 372,346.64

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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.