Home / 890,990.99-1,336,351.16-291,938.88

Finding the Fourth Proportional to 890,990.99, 1,336,351.16 and 291,938.88

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Solution

The fourth proportional to 890,990.99, 1,336,351.16 and 291,938.88 is: 437,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,990.99 : 1,336,351.16 = 291,938.88 : x
  2. Step 2: Convert to fraction form
    890,990.99/1,336,351.16 = 291,938.88/x
  3. Step 3: Cross multiply
    890,990.99x = 1,336,351.16 × 291,938.88
  4. Step 4: Simplify right side
    890,990.99x = 390,132,864,277.98
  5. Step 5: Solve for x
    x = 390,132,864,277.98/890,990.99
  6. Step 6: Final answer
    x = 437,863.98

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