Home / 988,827.20-1,483,629.60-389,686.40

Finding the Fourth Proportional to 988,827.20, 1,483,629.60 and 389,686.40

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Solution

The fourth proportional to 988,827.20, 1,483,629.60 and 389,686.40 is: 584,682.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,827.20 : 1,483,629.60 = 389,686.40 : x
  2. Step 2: Convert to fraction form
    988,827.20/1,483,629.60 = 389,686.40/x
  3. Step 3: Cross multiply
    988,827.20x = 1,483,629.60 × 389,686.40
  4. Step 4: Simplify right side
    988,827.20x = 578,150,277,757.44
  5. Step 5: Solve for x
    x = 578,150,277,757.44/988,827.20
  6. Step 6: Final answer
    x = 584,682.82

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