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Finding the Fourth Proportional to 455,147.77, 627,748.88 and 291,819.89

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Solution

The fourth proportional to 455,147.77, 627,748.88 and 291,819.89 is: 402,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,147.77 : 627,748.88 = 291,819.89 : x
  2. Step 2: Convert to fraction form
    455,147.77/627,748.88 = 291,819.89/x
  3. Step 3: Cross multiply
    455,147.77x = 627,748.88 × 291,819.89
  4. Step 4: Simplify right side
    455,147.77x = 183,189,606,700.03
  5. Step 5: Solve for x
    x = 183,189,606,700.03/455,147.77
  6. Step 6: Final answer
    x = 402,483.81

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