Home / 888,748.40-1,333,122.60-390,112.40

Finding the Fourth Proportional to 888,748.40, 1,333,122.60 and 390,112.40

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Solution

The fourth proportional to 888,748.40, 1,333,122.60 and 390,112.40 is: 585,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,748.40 : 1,333,122.60 = 390,112.40 : x
  2. Step 2: Convert to fraction form
    888,748.40/1,333,122.60 = 390,112.40/x
  3. Step 3: Cross multiply
    888,748.40x = 1,333,122.60 × 390,112.40
  4. Step 4: Simplify right side
    888,748.40x = 520,067,656,980.24
  5. Step 5: Solve for x
    x = 520,067,656,980.24/888,748.40
  6. Step 6: Final answer
    x = 585,168.60

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