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Finding the Fourth Proportional to 443,489.25, 664,267.65 and 291,514.76

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Solution

The fourth proportional to 443,489.25, 664,267.65 and 291,514.76 is: 436,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,489.25 : 664,267.65 = 291,514.76 : x
  2. Step 2: Convert to fraction form
    443,489.25/664,267.65 = 291,514.76/x
  3. Step 3: Cross multiply
    443,489.25x = 664,267.65 × 291,514.76
  4. Step 4: Simplify right side
    443,489.25x = 193,643,828,018.28
  5. Step 5: Solve for x
    x = 193,643,828,018.28/443,489.25
  6. Step 6: Final answer
    x = 436,637.03

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