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Finding the Fourth Proportional to 335,931.80, 503,897.70 and 319,602.20

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Solution

The fourth proportional to 335,931.80, 503,897.70 and 319,602.20 is: 479,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,931.80 : 503,897.70 = 319,602.20 : x
  2. Step 2: Convert to fraction form
    335,931.80/503,897.70 = 319,602.20/x
  3. Step 3: Cross multiply
    335,931.80x = 503,897.70 × 319,602.20
  4. Step 4: Simplify right side
    335,931.80x = 161,046,813,494.94
  5. Step 5: Solve for x
    x = 161,046,813,494.94/335,931.80
  6. Step 6: Final answer
    x = 479,403.30

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