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Finding the Fourth Proportional to 363,905.20, 545,857.80 and 348,547.60

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Solution

The fourth proportional to 363,905.20, 545,857.80 and 348,547.60 is: 522,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,905.20 : 545,857.80 = 348,547.60 : x
  2. Step 2: Convert to fraction form
    363,905.20/545,857.80 = 348,547.60/x
  3. Step 3: Cross multiply
    363,905.20x = 545,857.80 × 348,547.60
  4. Step 4: Simplify right side
    363,905.20x = 190,257,426,131.28
  5. Step 5: Solve for x
    x = 190,257,426,131.28/363,905.20
  6. Step 6: Final answer
    x = 522,821.40

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