Home / 811,864.47-1,120,345.19-449,303.61

Finding the Fourth Proportional to 811,864.47, 1,120,345.19 and 449,303.61

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Solution

The fourth proportional to 811,864.47, 1,120,345.19 and 449,303.61 is: 620,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,864.47 : 1,120,345.19 = 449,303.61 : x
  2. Step 2: Convert to fraction form
    811,864.47/1,120,345.19 = 449,303.61/x
  3. Step 3: Cross multiply
    811,864.47x = 1,120,345.19 × 449,303.61
  4. Step 4: Simplify right side
    811,864.47x = 503,375,135,650.86
  5. Step 5: Solve for x
    x = 503,375,135,650.86/811,864.47
  6. Step 6: Final answer
    x = 620,023.61

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