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Finding the Fourth Proportional to 576,040.80, 864,061.20 and 530,421.60

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Solution

The fourth proportional to 576,040.80, 864,061.20 and 530,421.60 is: 795,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,040.80 : 864,061.20 = 530,421.60 : x
  2. Step 2: Convert to fraction form
    576,040.80/864,061.20 = 530,421.60/x
  3. Step 3: Cross multiply
    576,040.80x = 864,061.20 × 530,421.60
  4. Step 4: Simplify right side
    576,040.80x = 458,316,724,201.92
  5. Step 5: Solve for x
    x = 458,316,724,201.92/576,040.80
  6. Step 6: Final answer
    x = 795,632.40

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