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Finding the Fourth Proportional to 397,499.40, 595,374.30 and 353,176.20

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Solution

The fourth proportional to 397,499.40, 595,374.30 and 353,176.20 is: 528,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,499.40 : 595,374.30 = 353,176.20 : x
  2. Step 2: Convert to fraction form
    397,499.40/595,374.30 = 353,176.20/x
  3. Step 3: Cross multiply
    397,499.40x = 595,374.30 × 353,176.20
  4. Step 4: Simplify right side
    397,499.40x = 210,272,032,851.66
  5. Step 5: Solve for x
    x = 210,272,032,851.66/397,499.40
  6. Step 6: Final answer
    x = 528,987.04

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