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Finding the Fourth Proportional to 518,355.62, 715,327.57 and 292,074.02

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Solution

The fourth proportional to 518,355.62, 715,327.57 and 292,074.02 is: 403,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,355.62 : 715,327.57 = 292,074.02 : x
  2. Step 2: Convert to fraction form
    518,355.62/715,327.57 = 292,074.02/x
  3. Step 3: Cross multiply
    518,355.62x = 715,327.57 × 292,074.02
  4. Step 4: Simplify right side
    518,355.62x = 208,928,598,986.73
  5. Step 5: Solve for x
    x = 208,928,598,986.73/518,355.62
  6. Step 6: Final answer
    x = 403,060.35

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