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Finding the Fourth Proportional to 538,482.90, 743,106.40 and 296,765.47

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Solution

The fourth proportional to 538,482.90, 743,106.40 and 296,765.47 is: 409,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,482.90 : 743,106.40 = 296,765.47 : x
  2. Step 2: Convert to fraction form
    538,482.90/743,106.40 = 296,765.47/x
  3. Step 3: Cross multiply
    538,482.90x = 743,106.40 × 296,765.47
  4. Step 4: Simplify right side
    538,482.90x = 220,528,320,660.30
  5. Step 5: Solve for x
    x = 220,528,320,660.30/538,482.90
  6. Step 6: Final answer
    x = 409,536.35

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