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Finding the Fourth Proportional to 453,298.20, 679,947.30 and 404,309.40

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Solution

The fourth proportional to 453,298.20, 679,947.30 and 404,309.40 is: 606,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,298.20 : 679,947.30 = 404,309.40 : x
  2. Step 2: Convert to fraction form
    453,298.20/679,947.30 = 404,309.40/x
  3. Step 3: Cross multiply
    453,298.20x = 679,947.30 × 404,309.40
  4. Step 4: Simplify right side
    453,298.20x = 274,909,084,894.62
  5. Step 5: Solve for x
    x = 274,909,084,894.62/453,298.20
  6. Step 6: Final answer
    x = 606,464.10

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