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Finding the Fourth Proportional to 453,293.20, 679,939.80 and 404,304.40

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Solution

The fourth proportional to 453,293.20, 679,939.80 and 404,304.40 is: 606,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,293.20 : 679,939.80 = 404,304.40 : x
  2. Step 2: Convert to fraction form
    453,293.20/679,939.80 = 404,304.40/x
  3. Step 3: Cross multiply
    453,293.20x = 679,939.80 × 404,304.40
  4. Step 4: Simplify right side
    453,293.20x = 274,902,652,875.12
  5. Step 5: Solve for x
    x = 274,902,652,875.12/453,293.20
  6. Step 6: Final answer
    x = 606,456.60

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