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Finding the Fourth Proportional to 870,019.76, 1,304,779.08 and 238,954.16

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Solution

The fourth proportional to 870,019.76, 1,304,779.08 and 238,954.16 is: 358,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,019.76 : 1,304,779.08 = 238,954.16 : x
  2. Step 2: Convert to fraction form
    870,019.76/1,304,779.08 = 238,954.16/x
  3. Step 3: Cross multiply
    870,019.76x = 1,304,779.08 × 238,954.16
  4. Step 4: Simplify right side
    870,019.76x = 311,782,389,046.97
  5. Step 5: Solve for x
    x = 311,782,389,046.97/870,019.76
  6. Step 6: Final answer
    x = 358,362.42

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