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Finding the Fourth Proportional to 493,664.20, 740,496.30 and 283,323.40

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Solution

The fourth proportional to 493,664.20, 740,496.30 and 283,323.40 is: 424,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,664.20 : 740,496.30 = 283,323.40 : x
  2. Step 2: Convert to fraction form
    493,664.20/740,496.30 = 283,323.40/x
  3. Step 3: Cross multiply
    493,664.20x = 740,496.30 × 283,323.40
  4. Step 4: Simplify right side
    493,664.20x = 209,799,929,403.42
  5. Step 5: Solve for x
    x = 209,799,929,403.42/493,664.20
  6. Step 6: Final answer
    x = 424,985.10

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