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Finding the Fourth Proportional to 600,070.40, 899,961.60 and 346,803.20

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Solution

The fourth proportional to 600,070.40, 899,961.60 and 346,803.20 is: 520,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,070.40 : 899,961.60 = 346,803.20 : x
  2. Step 2: Convert to fraction form
    600,070.40/899,961.60 = 346,803.20/x
  3. Step 3: Cross multiply
    600,070.40x = 899,961.60 × 346,803.20
  4. Step 4: Simplify right side
    600,070.40x = 312,109,562,757.12
  5. Step 5: Solve for x
    x = 312,109,562,757.12/600,070.40
  6. Step 6: Final answer
    x = 520,121.58

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