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Finding the Fourth Proportional to 470,959.60, 706,439.40 and 155,340.40

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Solution

The fourth proportional to 470,959.60, 706,439.40 and 155,340.40 is: 233,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,959.60 : 706,439.40 = 155,340.40 : x
  2. Step 2: Convert to fraction form
    470,959.60/706,439.40 = 155,340.40/x
  3. Step 3: Cross multiply
    470,959.60x = 706,439.40 × 155,340.40
  4. Step 4: Simplify right side
    470,959.60x = 109,738,578,971.76
  5. Step 5: Solve for x
    x = 109,738,578,971.76/470,959.60
  6. Step 6: Final answer
    x = 233,010.60

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