Home / 918,645.05-1,377,878.48-278,954.32

Finding the Fourth Proportional to 918,645.05, 1,377,878.48 and 278,954.32

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Solution

The fourth proportional to 918,645.05, 1,377,878.48 and 278,954.32 is: 418,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,645.05 : 1,377,878.48 = 278,954.32 : x
  2. Step 2: Convert to fraction form
    918,645.05/1,377,878.48 = 278,954.32/x
  3. Step 3: Cross multiply
    918,645.05x = 1,377,878.48 × 278,954.32
  4. Step 4: Simplify right side
    918,645.05x = 384,365,159,679.97
  5. Step 5: Solve for x
    x = 384,365,159,679.97/918,645.05
  6. Step 6: Final answer
    x = 418,404.43

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