Home / 724,872.03-1,000,335.77-398,198.82

Finding the Fourth Proportional to 724,872.03, 1,000,335.77 and 398,198.82

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Solution

The fourth proportional to 724,872.03, 1,000,335.77 and 398,198.82 is: 549,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,872.03 : 1,000,335.77 = 398,198.82 : x
  2. Step 2: Convert to fraction form
    724,872.03/1,000,335.77 = 398,198.82/x
  3. Step 3: Cross multiply
    724,872.03x = 1,000,335.77 × 398,198.82
  4. Step 4: Simplify right side
    724,872.03x = 398,332,523,217.79
  5. Step 5: Solve for x
    x = 398,332,523,217.79/724,872.03
  6. Step 6: Final answer
    x = 549,521.17

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