Home / 792,041.13-1,188,651.90-318,730.05

Finding the Fourth Proportional to 792,041.13, 1,188,651.90 and 318,730.05

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Solution

The fourth proportional to 792,041.13, 1,188,651.90 and 318,730.05 is: 478,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,041.13 : 1,188,651.90 = 318,730.05 : x
  2. Step 2: Convert to fraction form
    792,041.13/1,188,651.90 = 318,730.05/x
  3. Step 3: Cross multiply
    792,041.13x = 1,188,651.90 × 318,730.05
  4. Step 4: Simplify right side
    792,041.13x = 378,859,079,519.60
  5. Step 5: Solve for x
    x = 378,859,079,519.60/792,041.13
  6. Step 6: Final answer
    x = 478,332.58

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