Home / 786,148.21-1,179,679.46-330,706.06

Finding the Fourth Proportional to 786,148.21, 1,179,679.46 and 330,706.06

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Solution

The fourth proportional to 786,148.21, 1,179,679.46 and 330,706.06 is: 496,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,148.21 : 1,179,679.46 = 330,706.06 : x
  2. Step 2: Convert to fraction form
    786,148.21/1,179,679.46 = 330,706.06/x
  3. Step 3: Cross multiply
    786,148.21x = 1,179,679.46 × 330,706.06
  4. Step 4: Simplify right side
    786,148.21x = 390,127,146,279.53
  5. Step 5: Solve for x
    x = 390,127,146,279.53/786,148.21
  6. Step 6: Final answer
    x = 496,251.40

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