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Finding the Fourth Proportional to 389,006.40, 536,308.92 and 291,797.04

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Solution

The fourth proportional to 389,006.40, 536,308.92 and 291,797.04 is: 402,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,006.40 : 536,308.92 = 291,797.04 : x
  2. Step 2: Convert to fraction form
    389,006.40/536,308.92 = 291,797.04/x
  3. Step 3: Cross multiply
    389,006.40x = 536,308.92 × 291,797.04
  4. Step 4: Simplify right side
    389,006.40x = 156,493,355,381.60
  5. Step 5: Solve for x
    x = 156,493,355,381.60/389,006.40
  6. Step 6: Final answer
    x = 402,289.92

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