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Finding the Fourth Proportional to 470,506.11, 705,685.04 and 391,054.22

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Solution

The fourth proportional to 470,506.11, 705,685.04 and 391,054.22 is: 586,519.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,506.11 : 705,685.04 = 391,054.22 : x
  2. Step 2: Convert to fraction form
    470,506.11/705,685.04 = 391,054.22/x
  3. Step 3: Cross multiply
    470,506.11x = 705,685.04 × 391,054.22
  4. Step 4: Simplify right side
    470,506.11x = 275,961,112,882.87
  5. Step 5: Solve for x
    x = 275,961,112,882.87/470,506.11
  6. Step 6: Final answer
    x = 586,519.72

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