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Finding the Fourth Proportional to 569,897.05, 786,389.43 and 328,258.21

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Solution

The fourth proportional to 569,897.05, 786,389.43 and 328,258.21 is: 452,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,897.05 : 786,389.43 = 328,258.21 : x
  2. Step 2: Convert to fraction form
    569,897.05/786,389.43 = 328,258.21/x
  3. Step 3: Cross multiply
    569,897.05x = 786,389.43 × 328,258.21
  4. Step 4: Simplify right side
    569,897.05x = 258,138,786,654.72
  5. Step 5: Solve for x
    x = 258,138,786,654.72/569,897.05
  6. Step 6: Final answer
    x = 452,956.87

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