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Finding the Fourth Proportional to 455,856.48, 683,576.82 and 189,458.28

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Solution

The fourth proportional to 455,856.48, 683,576.82 and 189,458.28 is: 284,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,856.48 : 683,576.82 = 189,458.28 : x
  2. Step 2: Convert to fraction form
    455,856.48/683,576.82 = 189,458.28/x
  3. Step 3: Cross multiply
    455,856.48x = 683,576.82 × 189,458.28
  4. Step 4: Simplify right side
    455,856.48x = 129,509,288,565.07
  5. Step 5: Solve for x
    x = 129,509,288,565.07/455,856.48
  6. Step 6: Final answer
    x = 284,101.01

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