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Finding the Fourth Proportional to 470,590.20, 705,107.70 and 400,606.20

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Solution

The fourth proportional to 470,590.20, 705,107.70 and 400,606.20 is: 600,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,590.20 : 705,107.70 = 400,606.20 : x
  2. Step 2: Convert to fraction form
    470,590.20/705,107.70 = 400,606.20/x
  3. Step 3: Cross multiply
    470,590.20x = 705,107.70 × 400,606.20
  4. Step 4: Simplify right side
    470,590.20x = 282,470,516,287.74
  5. Step 5: Solve for x
    x = 282,470,516,287.74/470,590.20
  6. Step 6: Final answer
    x = 600,247.34

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