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Finding the Fourth Proportional to 471,267.20, 707,246.40 and 313,443.20

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Solution

The fourth proportional to 471,267.20, 707,246.40 and 313,443.20 is: 470,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,267.20 : 707,246.40 = 313,443.20 : x
  2. Step 2: Convert to fraction form
    471,267.20/707,246.40 = 313,443.20/x
  3. Step 3: Cross multiply
    471,267.20x = 707,246.40 × 313,443.20
  4. Step 4: Simplify right side
    471,267.20x = 221,681,574,804.48
  5. Step 5: Solve for x
    x = 221,681,574,804.48/471,267.20
  6. Step 6: Final answer
    x = 470,394.66

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