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Finding the Fourth Proportional to 488,498.40, 732,164.40 and 251,719.20

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Solution

The fourth proportional to 488,498.40, 732,164.40 and 251,719.20 is: 377,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,498.40 : 732,164.40 = 251,719.20 : x
  2. Step 2: Convert to fraction form
    488,498.40/732,164.40 = 251,719.20/x
  3. Step 3: Cross multiply
    488,498.40x = 732,164.40 × 251,719.20
  4. Step 4: Simplify right side
    488,498.40x = 184,299,837,036.48
  5. Step 5: Solve for x
    x = 184,299,837,036.48/488,498.40
  6. Step 6: Final answer
    x = 377,278.28

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