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Finding the Fourth Proportional to 397,832.80, 596,360.40 and 355,842.40

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Solution

The fourth proportional to 397,832.80, 596,360.40 and 355,842.40 is: 533,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,832.80 : 596,360.40 = 355,842.40 : x
  2. Step 2: Convert to fraction form
    397,832.80/596,360.40 = 355,842.40/x
  3. Step 3: Cross multiply
    397,832.80x = 596,360.40 × 355,842.40
  4. Step 4: Simplify right side
    397,832.80x = 212,210,316,000.96
  5. Step 5: Solve for x
    x = 212,210,316,000.96/397,832.80
  6. Step 6: Final answer
    x = 533,415.84

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