Home / 998,400.16-1,377,771.96-545,694.40

Finding the Fourth Proportional to 998,400.16, 1,377,771.96 and 545,694.40

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Solution

The fourth proportional to 998,400.16, 1,377,771.96 and 545,694.40 is: 753,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,400.16 : 1,377,771.96 = 545,694.40 : x
  2. Step 2: Convert to fraction form
    998,400.16/1,377,771.96 = 545,694.40/x
  3. Step 3: Cross multiply
    998,400.16x = 1,377,771.96 × 545,694.40
  4. Step 4: Simplify right side
    998,400.16x = 751,842,443,049.02
  5. Step 5: Solve for x
    x = 751,842,443,049.02/998,400.16
  6. Step 6: Final answer
    x = 753,047.20

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