Home / 887,551.80-1,331,327.70-256,486.20

Finding the Fourth Proportional to 887,551.80, 1,331,327.70 and 256,486.20

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Solution

The fourth proportional to 887,551.80, 1,331,327.70 and 256,486.20 is: 384,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,551.80 : 1,331,327.70 = 256,486.20 : x
  2. Step 2: Convert to fraction form
    887,551.80/1,331,327.70 = 256,486.20/x
  3. Step 3: Cross multiply
    887,551.80x = 1,331,327.70 × 256,486.20
  4. Step 4: Simplify right side
    887,551.80x = 341,467,182,727.74
  5. Step 5: Solve for x
    x = 341,467,182,727.74/887,551.80
  6. Step 6: Final answer
    x = 384,729.30

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