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Finding the Fourth Proportional to 553,501.60, 830,009.40 and 253,882.60

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Solution

The fourth proportional to 553,501.60, 830,009.40 and 253,882.60 is: 380,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,501.60 : 830,009.40 = 253,882.60 : x
  2. Step 2: Convert to fraction form
    553,501.60/830,009.40 = 253,882.60/x
  3. Step 3: Cross multiply
    553,501.60x = 830,009.40 × 253,882.60
  4. Step 4: Simplify right side
    553,501.60x = 210,724,944,496.44
  5. Step 5: Solve for x
    x = 210,724,944,496.44/553,501.60
  6. Step 6: Final answer
    x = 380,712.44

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