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Finding the Fourth Proportional to 473,289.60, 709,675.20 and 192,489.60

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Solution

The fourth proportional to 473,289.60, 709,675.20 and 192,489.60 is: 288,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,289.60 : 709,675.20 = 192,489.60 : x
  2. Step 2: Convert to fraction form
    473,289.60/709,675.20 = 192,489.60/x
  3. Step 3: Cross multiply
    473,289.60x = 709,675.20 × 192,489.60
  4. Step 4: Simplify right side
    473,289.60x = 136,605,095,377.92
  5. Step 5: Solve for x
    x = 136,605,095,377.92/473,289.60
  6. Step 6: Final answer
    x = 288,628.98

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