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Finding the Fourth Proportional to 486,854.60, 730,281.90 and 486,854.60

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Solution

The fourth proportional to 486,854.60, 730,281.90 and 486,854.60 is: 730,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,854.60 : 730,281.90 = 486,854.60 : x
  2. Step 2: Convert to fraction form
    486,854.60/730,281.90 = 486,854.60/x
  3. Step 3: Cross multiply
    486,854.60x = 730,281.90 × 486,854.60
  4. Step 4: Simplify right side
    486,854.60x = 355,541,102,311.74
  5. Step 5: Solve for x
    x = 355,541,102,311.74/486,854.60
  6. Step 6: Final answer
    x = 730,281.90

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