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Finding the Fourth Proportional to 470,743.60, 706,115.40 and 155,124.40

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Solution

The fourth proportional to 470,743.60, 706,115.40 and 155,124.40 is: 232,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,743.60 : 706,115.40 = 155,124.40 : x
  2. Step 2: Convert to fraction form
    470,743.60/706,115.40 = 155,124.40/x
  3. Step 3: Cross multiply
    470,743.60x = 706,115.40 × 155,124.40
  4. Step 4: Simplify right side
    470,743.60x = 109,535,727,755.76
  5. Step 5: Solve for x
    x = 109,535,727,755.76/470,743.60
  6. Step 6: Final answer
    x = 232,686.60

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