Home / 828,629.10-1,239,991.20-574,718.40

Finding the Fourth Proportional to 828,629.10, 1,239,991.20 and 574,718.40

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Solution

The fourth proportional to 828,629.10, 1,239,991.20 and 574,718.40 is: 860,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,629.10 : 1,239,991.20 = 574,718.40 : x
  2. Step 2: Convert to fraction form
    828,629.10/1,239,991.20 = 574,718.40/x
  3. Step 3: Cross multiply
    828,629.10x = 1,239,991.20 × 574,718.40
  4. Step 4: Simplify right side
    828,629.10x = 712,645,758,478.08
  5. Step 5: Solve for x
    x = 712,645,758,478.08/828,629.10
  6. Step 6: Final answer
    x = 860,029.85

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