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Finding the Fourth Proportional to 453,579.20, 680,368.80 and 404,590.40

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Solution

The fourth proportional to 453,579.20, 680,368.80 and 404,590.40 is: 606,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,579.20 : 680,368.80 = 404,590.40 : x
  2. Step 2: Convert to fraction form
    453,579.20/680,368.80 = 404,590.40/x
  3. Step 3: Cross multiply
    453,579.20x = 680,368.80 × 404,590.40
  4. Step 4: Simplify right side
    453,579.20x = 275,270,684,939.52
  5. Step 5: Solve for x
    x = 275,270,684,939.52/453,579.20
  6. Step 6: Final answer
    x = 606,885.60

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