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Finding the Fourth Proportional to 559,302.08, 771,837.20 and 304,654.40

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Solution

The fourth proportional to 559,302.08, 771,837.20 and 304,654.40 is: 420,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,302.08 : 771,837.20 = 304,654.40 : x
  2. Step 2: Convert to fraction form
    559,302.08/771,837.20 = 304,654.40/x
  3. Step 3: Cross multiply
    559,302.08x = 771,837.20 × 304,654.40
  4. Step 4: Simplify right side
    559,302.08x = 235,143,599,063.68
  5. Step 5: Solve for x
    x = 235,143,599,063.68/559,302.08
  6. Step 6: Final answer
    x = 420,423.25

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