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Finding the Fourth Proportional to 652,296.80, 978,445.20 and 453,231.20

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Solution

The fourth proportional to 652,296.80, 978,445.20 and 453,231.20 is: 679,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,296.80 : 978,445.20 = 453,231.20 : x
  2. Step 2: Convert to fraction form
    652,296.80/978,445.20 = 453,231.20/x
  3. Step 3: Cross multiply
    652,296.80x = 978,445.20 × 453,231.20
  4. Step 4: Simplify right side
    652,296.80x = 443,461,892,130.24
  5. Step 5: Solve for x
    x = 443,461,892,130.24/652,296.80
  6. Step 6: Final answer
    x = 679,846.80

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