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Finding the Fourth Proportional to 470,600.12, 705,987.66 and 155,079.20

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Solution

The fourth proportional to 470,600.12, 705,987.66 and 155,079.20 is: 232,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,600.12 : 705,987.66 = 155,079.20 : x
  2. Step 2: Convert to fraction form
    470,600.12/705,987.66 = 155,079.20/x
  3. Step 3: Cross multiply
    470,600.12x = 705,987.66 × 155,079.20
  4. Step 4: Simplify right side
    470,600.12x = 109,484,001,522.67
  5. Step 5: Solve for x
    x = 109,484,001,522.67/470,600.12
  6. Step 6: Final answer
    x = 232,647.63

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