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Finding the Fourth Proportional to 480,631.49, 720,988.24 and 125,644.94

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Solution

The fourth proportional to 480,631.49, 720,988.24 and 125,644.94 is: 188,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,631.49 : 720,988.24 = 125,644.94 : x
  2. Step 2: Convert to fraction form
    480,631.49/720,988.24 = 125,644.94/x
  3. Step 3: Cross multiply
    480,631.49x = 720,988.24 × 125,644.94
  4. Step 4: Simplify right side
    480,631.49x = 90,588,524,155.51
  5. Step 5: Solve for x
    x = 90,588,524,155.51/480,631.49
  6. Step 6: Final answer
    x = 188,478.13

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