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Finding the Fourth Proportional to 368,886.20, 553,329.30 and 335,643.80

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Solution

The fourth proportional to 368,886.20, 553,329.30 and 335,643.80 is: 503,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,886.20 : 553,329.30 = 335,643.80 : x
  2. Step 2: Convert to fraction form
    368,886.20/553,329.30 = 335,643.80/x
  3. Step 3: Cross multiply
    368,886.20x = 553,329.30 × 335,643.80
  4. Step 4: Simplify right side
    368,886.20x = 185,721,548,903.34
  5. Step 5: Solve for x
    x = 185,721,548,903.34/368,886.20
  6. Step 6: Final answer
    x = 503,465.70

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