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Finding the Fourth Proportional to 528,023.90, 792,035.85 and 403,607.90

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Solution

The fourth proportional to 528,023.90, 792,035.85 and 403,607.90 is: 605,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,023.90 : 792,035.85 = 403,607.90 : x
  2. Step 2: Convert to fraction form
    528,023.90/792,035.85 = 403,607.90/x
  3. Step 3: Cross multiply
    528,023.90x = 792,035.85 × 403,607.90
  4. Step 4: Simplify right side
    528,023.90x = 319,671,926,143.22
  5. Step 5: Solve for x
    x = 319,671,926,143.22/528,023.90
  6. Step 6: Final answer
    x = 605,411.85

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