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Finding the Fourth Proportional to 559,807.20, 839,710.80 and 335,858.40

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Solution

The fourth proportional to 559,807.20, 839,710.80 and 335,858.40 is: 503,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,807.20 : 839,710.80 = 335,858.40 : x
  2. Step 2: Convert to fraction form
    559,807.20/839,710.80 = 335,858.40/x
  3. Step 3: Cross multiply
    559,807.20x = 839,710.80 × 335,858.40
  4. Step 4: Simplify right side
    559,807.20x = 282,023,925,750.72
  5. Step 5: Solve for x
    x = 282,023,925,750.72/559,807.20
  6. Step 6: Final answer
    x = 503,787.60

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