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Finding the Fourth Proportional to 364,064.80, 546,097.20 and 287,957.20

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Solution

The fourth proportional to 364,064.80, 546,097.20 and 287,957.20 is: 431,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,064.80 : 546,097.20 = 287,957.20 : x
  2. Step 2: Convert to fraction form
    364,064.80/546,097.20 = 287,957.20/x
  3. Step 3: Cross multiply
    364,064.80x = 546,097.20 × 287,957.20
  4. Step 4: Simplify right side
    364,064.80x = 157,252,620,639.84
  5. Step 5: Solve for x
    x = 157,252,620,639.84/364,064.80
  6. Step 6: Final answer
    x = 431,935.80

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