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Finding the Fourth Proportional to 576,021.20, 864,031.80 and 552,693.20

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Solution

The fourth proportional to 576,021.20, 864,031.80 and 552,693.20 is: 829,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,021.20 : 864,031.80 = 552,693.20 : x
  2. Step 2: Convert to fraction form
    576,021.20/864,031.80 = 552,693.20/x
  3. Step 3: Cross multiply
    576,021.20x = 864,031.80 × 552,693.20
  4. Step 4: Simplify right side
    576,021.20x = 477,544,500,443.76
  5. Step 5: Solve for x
    x = 477,544,500,443.76/576,021.20
  6. Step 6: Final answer
    x = 829,039.80

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