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Finding the Fourth Proportional to 488,489.40, 732,734.10 and 488,489.40

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Solution

The fourth proportional to 488,489.40, 732,734.10 and 488,489.40 is: 732,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,489.40 : 732,734.10 = 488,489.40 : x
  2. Step 2: Convert to fraction form
    488,489.40/732,734.10 = 488,489.40/x
  3. Step 3: Cross multiply
    488,489.40x = 732,734.10 × 488,489.40
  4. Step 4: Simplify right side
    488,489.40x = 357,932,840,868.54
  5. Step 5: Solve for x
    x = 357,932,840,868.54/488,489.40
  6. Step 6: Final answer
    x = 732,734.10

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