Home / 309,709.20-464,250.04-209,879.52

Finding the Fourth Proportional to 309,709.20, 464,250.04 and 209,879.52

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Solution

The fourth proportional to 309,709.20, 464,250.04 and 209,879.52 is: 314,606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,709.20 : 464,250.04 = 209,879.52 : x
  2. Step 2: Convert to fraction form
    309,709.20/464,250.04 = 209,879.52/x
  3. Step 3: Cross multiply
    309,709.20x = 464,250.04 × 209,879.52
  4. Step 4: Simplify right side
    309,709.20x = 97,436,575,555.18
  5. Step 5: Solve for x
    x = 97,436,575,555.18/309,709.20
  6. Step 6: Final answer
    x = 314,606.66

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